NAVAREA XVIII - Inland Waters Coastal

Aids to Navigation Front Light Unlit

Marine Works Construction and diving operations taking place Monday to Friday from 1000 UTC to 2200 UTC at dock 16 until 30 Apr 2026. Barge on site. Minimum wake requested.

Aids to Navigation Light Unreliable, improper characteristics

Aids to Navigation Light buoy 209A, U.S. LL 1440 unreliable, improper characteristics.

Aids to Navigation Off position at 43 14.429N 079 12.955W

Aids to Navigation Missing

Marine Works Dredging operations taking place 24 hours a day from 24 Mar 2026 to 27 Mar 2026 at the mouth of the Richelieu River. Dredge, barges and tugs on site. Minimum wake requested.

Vertical Clearance Reduced The two loading arms at the Iron Ore Company of Canada dock 2 are in the lowered position until 270400 UTC Mar 2026.

Aids to Navigation Unlit

Aids to Navigation Off position

Submerged Object Large anchor and chain reported at 47 21.837N 061 48.634W

Aids to Navigation Off position, 1.7 kilometres downstream and inside the channel

Aids to Navigation Unreliable, laying on its side

Marine Works - Wildlife management Wildlife management work taking place in the vicinity of 45 17.933N 074 05.683W beginning 20 Mar 2026. Silt curtain and cofferdam on site.

Marine works Dredging operations taking place daily between 1000 UTC and 2200 UTC at the Grosse-Île fishing port beginning 20 Mar 2026. Red and green buoys in place marking navigation channel. Dredge, barges and tugs on site. Immersion site: 47 37.850N 061 29.600W Minimum wake requested.

Drifting Hazard Blue houseboat reported adrift on ice in the vicinity of 45 33.5N 075 18.0W at 182112 UTC Mar 2026.

Ice Boom - Removal Ice boom removal operations in progress between Prescott and Cardinal.

Marine Works Dredging operations taking place daily between 1000 UTC and 2200 UTC at the Pointe-Basse fishing port beginning 19 Mar 2026. Dredge, barges and tugs on site. Immersion site marked with buoys equipped with a light and radar reflector in an area bounded by: 47 22.029N 061 47.837W 47 21.970N 061 47.659W 47 21.825N 061 47.762W 47 21.883N 061 47.941W Minimum wake requested.

Marine Works Riprap work taking place from 1000 UTC to 2000 UTC at sections 13 and 14. Barge on site. Minimum wake requested.

Marine Works Diving operations taking place daily during daylight hours at the Pickering power generating station intake channel to install a fish diversion system.

Aids to Navigation Missing

Aids to Navigation Winter spar off position, 90 metres south.

Aids to Navigation Awash

Submerged Object - Mooring Prohibited Submerged debris reported at wharf 11 at the port of Trois-Rivières. Debris extends 3 metres from the wharf. Mooring at bollards 11-4 and 11-5 is prohibited.

Shallow Depth Reported Shallow depths reported at 121846 UTC Mar 2026. 48 28.704N 068 30.955W, 4.5 metres 48 28.799N 068 31.031W, 4.8 metres

Marine Works Dredging operations taking place daily from 1100 UTC to 2300 UTC at the Port de pêche de Millerand beginning 12 Mar 2026. Immersion site: 47 11.8N 061 58.6W Minimum wake requested.

Marine works Dredging operations taking place daily from 1100 UTC until 2300 UTC in Wheatley harbour beginning 12 Mar 2026.

Shallow Depth Confirmed Shallow depths confirmed 091839 UTC Mar 2026: 48 20.583N 064 38.643W, 4.8 metres 48 20.642N 064 38.100W, 5.9 metres 48 20.667N 064 37.152W, 14.9 metres

Low Water Level Low water levels reported at 42 15.232N 081 54.515W. Shallow depths are reported within the navigation channel and harbour basin.

Shallow Depth Confirmed Shallow depths confirmed at 041512 UTC Mar 2026: 47 37.760N 061 30.608W, 1.7 metres 47 37.694N 061 30.769W, 0.9 metres

Waterway Information Shoal located in area bounded by: 46 14.771N 84 6.215W46 14.772N 84 6.214W46 14.771N 84 6.212W46 14.770N 84 6.213W Depth: 6.1mIn Force Shoals number CNA1145/25 refers.

Waterway Information Shoal located in area bounded by: 46 14.801N 84 6.203W46 14.820N 84 6.195W46 14.818N 84 6.185W46 14.799N 84 6.194W Depth: 6.3mIn Force Shoals number CNA1144/25 refers.

Waterway Information Shoal located in area bounded by: 46 14.839N 84 6.192W46 14.863N 84 6.181W46 14.860N 84 6.168W46 14.836N 84 6.178W Depth: 6.3mIn Force Shoals number CNA1143/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.479N 84 5.922W46 15.514N 84 5.972W46 15.522N 84 5.959W46 15.488N 84 5.910W Depth: 2.0mIn Force Shoals number CNA1142/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.456N 84 5.911W46 15.518N 84 6.000W46 15.525N 84 5.988W46 15.464N 84 5.900W Depth: 4.0mIn Force Shoals number CNA1141/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.447N 84 5.915W46 15.471N 84 5.951W46 15.477N 84 5.942W46 15.453N 84 5.906W Depth: 4.0mIn Force Shoals number CNA1140/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.572N 84 6.027W46 15.701N 84 6.155W46 15.707N 84 6.142W46 15.578N 84 6.015W Depth: 5.3mIn Force Shoals number CNA1139/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.561N 84 6.059W46 15.651N 84 6.190W46 15.657N 84 6.182W46 15.566N 84 6.052W Depth: 7.1mIn Force Shoals number CNA1138/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.673N 84 6.219W46 15.674N 84 6.220W46 15.675N 84 6.219W46 15.674N 84 6.218W Depth: 8.3mIn Force Shoals number CNA1137/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.762N 84 6.217W46 15.877N 84 6.384W46 15.885N 84 6.373W46 15.770N 84 6.206W Depth: 5.9mIn Force Shoals number CNA1136/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.915N 84 6.477W46 15.963N 84 6.546W46 15.980N 84 6.520W46 15.933N 84 6.452W Depth: 5.1mIn Force Shoals number CNA1135/25 refers.

Waterway Information Shoal located in area bounded by: 46 16.022N 84 6.787W46 16.023N 84 6.789W46 16.024N 84 6.787W46 16.023N 84 6.786W Depth: 8.4mIn Force Shoals number CNA1134/25 refers.

Waterway Information Shoal located in area bounded by: 46 16.145N 84 6.885W46 16.147N 84 6.887W46 16.148N 84 6.886W46 16.146N 84 6.884W Depth: 8.4mIn Force Shoals number CNA1133/25 refers.

Waterway Information Shoal located in area bounded by: 46 16.163N 84 6.842W46 16.164N 84 6.843W46 16.166N 84 6.840W46 16.165N 84 6.839W Depth: 8.4mIn Force Shoals number CNA1132/25 refers.

Waterway Information Shoal located in area bounded by: 46 16.202N 84 6.924W46 16.208N 84 6.925W46 16.208N 84 6.917W46 16.202N 84 6.916W Depth: 8.4mIn Force Shoals number CNA1131/25 refers.

Waterway Information Shoal located in area bounded by: 46 16.240N 84 6.944W46 16.250N 84 6.944W46 16.250N 84 6.941W46 16.240N 84 6.940W Depth: 8.4mIn Force Shoals number CNA1130/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.726N 84 22.276W46 30.752N 84 21.953W46 30.748N 84 21.952W46 30.722N 84 22.275W Depth: 4.2mIn Force Shoals number CNA1121/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.753N 84 21.990W46 30.753N 84 21.988W46 30.751N 84 21.988W46 30.751N 84 21.989W Depth: 6.7mIn Force Shoals number CNA1120/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.799N 84 21.968W46 30.799N 84 21.952W46 30.794N 84 21.953W46 30.795N 84 21.968W Depth: 5.8mIn Force Shoals number CNA1119/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.801N 84 22.137W46 30.800N 84 22.054W46 30.792N 84 22.055W46 30.793N 84 22.138W Depth: 6.6mIn Force Shoals number CNA1118/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.801N 84 22.316W46 30.801N 84 22.314W46 30.797N 84 22.314W46 30.797N 84 22.316W Depth: 6.8mIn Force Shoals number CNA1117/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.681N 84 22.586W46 30.685N 84 22.578W46 30.684N 84 22.577W46 30.680N 84 22.585W Depth: 7.2mIn Force Shoals number CNA1116/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.543N 84 22.858W46 30.587N 84 22.780W46 30.573N 84 22.763W46 30.529N 84 22.841W Depth: 7.1mIn Force Shoals number CNA1115/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.231N 84 23.420W46 30.247N 84 23.393W46 30.243N 84 23.389W46 30.228N 84 23.415W Depth: 7.0mIn Force Shoals number CNA1114/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.244N 84 23.499W46 30.244N 84 23.497W46 30.243N 84 23.496W46 30.243N 84 23.498W Depth: 7.2mIn Force Shoals number CNA1113/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.202N 84 23.586W46 30.203N 84 23.583W46 30.200N 84 23.582W46 30.200N 84 23.586W Depth: 7.1mIn Force Shoals number CNA1112/25 refers.

Waterway Information Shoal located in area bounded by: 46 27.549N 84 29.280W46 27.628N 84 28.885W46 27.622N 84 28.882W46 27.543N 84 29.277W Depth: 8.6mIn Force Shoals number CNA1127/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.160N 84 23.666W46 30.160N 84 23.664W46 30.159N 84 23.664W46 30.158N 84 23.666W Depth: 7.2mIn Force Shoals number CNA1111/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.183N 84 23.511W46 30.184N 84 23.509W46 30.182N 84 23.508W46 30.182N 84 23.510W Depth: 7.2mIn Force Shoals number CNA1110/25 refers.

Waterway Information Shoal located in area bounded by: 46 27.276N 84 29.607W46 27.277N 84 29.604W46 27.276N 84 29.604W46 27.275N 84 29.606W Depth: 9.0mIn Force Shoals number CNA1126/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.162N 84 23.501W46 30.162N 84 23.499W46 30.161N 84 23.499W46 30.161N 84 23.501W Depth: 7.2mIn Force Shoals number CNA1109/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.107N 84 23.634W46 30.107N 84 23.632W46 30.106N 84 23.631W46 30.106N 84 23.633W Depth: 7.2mIn Force Shoals number CNA1108/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.045N 84 23.919W46 30.059N 84 23.835W46 30.040N 84 23.828W46 30.026N 84 23.912W Depth: 7.9mIn Force Shoals number CNA1107/25 refers.

Waterway Information Shoal located in area bounded by: 46 27.367N 84 29.148W46 27.411N 84 28.927W46 27.406N 84 28.925W46 27.361N 84 29.146W Depth: 8.8mIn Force Shoals number CNA1125/25 refers.

Waterway Information Shoal located in area bounded by: 46 27.420N 84 28.911W46 27.468N 84 28.671W46 27.457N 84 28.667W46 27.409N 84 28.906W Depth: 7.5mIn Force Shoals number CNA1124/25 refers.

Waterway Information Shoal located in area bounded by: 46 29.981N 84 24.288W46 29.987N 84 24.255W46 29.983N 84 24.254W46 29.977N 84 24.286W Depth: 7.7mIn Force Shoals number CNA1106/25 refers.

Waterway Information Shoal located in area bounded by: 46 27.625N 84 28.335W46 27.724N 84 28.102W46 27.706N 84 28.086W46 27.607N 84 28.319W Depth: 7.5mIn Force Shoals number CNA1123/25 refers.

Waterway Information Shoal located in area bounded by: 46 29.967N 84 19.273W46 29.929N 84 19.113W46 29.904N 84 19.126W46 29.942N 84 19.285W Depth: 8.1mIn Force Shoals number CNA1129/25 refers.

Waterway Information Shoal located in area bounded by: 46 29.763N 84 18.417W46 29.750N 84 18.364W46 29.747N 84 18.365W46 29.760N 84 18.418W Depth: 8.4mIn Force Shoals number CNA1128/25 refers.

Waterway Information Shoal located in area bounded by: 46 27.913N 84 28.234W46 28.137N 84 28.040W46 28.131N 84 28.025W46 27.907N 84 28.219W Depth: 7.3mIn Force Shoals number CNA1122/25 refers.

Waterway Information Shoal located in area bounded by: 42 32.437N 82 37.250W42 32.438N 82 37.248W42 32.437N 82 37.247W42 32.436N 82 37.249W Depth: 8.0mIn Force Shoals number CNA1208/25 refers.

Waterway Information Shoal located in area bounded by: 42 32.634N 82 36.697W42 32.634N 82 36.696W42 32.633N 82 36.695W42 32.633N 82 36.696W Depth: 8.2mIn Force Shoals number CNA1207/25 refers.

Waterway Information Shoal located in area bounded by: 42 32.670N 82 36.612W42 32.671N 82 36.609W42 32.665N 82 36.606W42 32.664N 82 36.609W Depth: 8.1mIn Force Shoals number CNA1206/25 refers.

Waterway Information Shoal located in area bounded by: 42 32.702N 82 36.526W42 32.742N 82 36.414W42 32.723N 82 36.402W42 32.683N 82 36.514W Depth: 8.2mIn Force Shoals number CNA1205/25 refers.

Waterway Information Shoal located in area bounded by: 42 32.781N 82 36.310W42 32.972N 82 35.773W42 32.966N 82 35.769W42 32.774N 82 36.306W Depth: 5.5mIn Force Shoals number CNA1204/25 refers.

Waterway Information Shoal located in area bounded by: 42 32.769N 82 36.320W42 32.919N 82 35.900W42 32.911N 82 35.895W42 32.761N 82 36.314W Depth: 6.0mIn Force Shoals number CNA1203/25 refers.

Waterway Information Shoal located in area bounded by: 42 32.761N 82 36.315W42 32.885N 82 35.967W42 32.878N 82 35.962W42 32.754N 82 36.310W Depth: 6.9mIn Force Shoals number CNA1202/25 refers.

Waterway Information Shoal located in area bounded by: 42 32.760N 82 36.292W42 32.858N 82 36.017W42 32.853N 82 36.014W42 32.755N 82 36.289W Depth: 7.8mIn Force Shoals number CNA1201/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.898N 82 38.740W42 32.078N 82 38.235W42 32.054N 82 38.220W42 31.874N 82 38.725W Depth: 8.1mIn Force Shoals number CNA1200/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.863N 82 38.885W42 31.961N 82 38.610W42 31.948N 82 38.601W42 31.849N 82 38.876W Depth: 7.7mIn Force Shoals number CNA1199/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.816N 82 38.984W42 31.817N 82 38.981W42 31.815N 82 38.980W42 31.814N 82 38.982W Depth: 8.2mIn Force Shoals number CNA1198/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.739N 82 39.232W42 31.771N 82 39.141W42 31.749N 82 39.127W42 31.717N 82 39.218W Depth: 8.0mIn Force Shoals number CNA1197/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.579N 82 39.620W42 31.674N 82 39.352W42 31.666N 82 39.347W42 31.571N 82 39.615W Depth: 8.1mIn Force Shoals number CNA1196/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.586N 82 39.625W42 31.682N 82 39.357W42 31.674N 82 39.352W42 31.579N 82 39.620W Depth: 7.9mIn Force Shoals number CNA1195/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.572N 82 39.700W42 31.728N 82 39.262W42 31.718N 82 39.256W42 31.562N 82 39.693W Depth: 7.5mIn Force Shoals number CNA1194/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.382N 82 40.175W42 31.537N 82 39.742W42 31.534N 82 39.739W42 31.379N 82 40.173W Depth: 7.9mIn Force Shoals number CNA1193/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.391N 82 40.181W42 31.548N 82 39.743W42 31.539N 82 39.737W42 31.382N 82 40.175W Depth: 7.4mIn Force Shoals number CNA1192/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.395N 82 40.196W42 31.555N 82 39.746W42 31.548N 82 39.741W42 31.388N 82 40.191W Depth: 7.0mIn Force Shoals number CNA1191/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.375N 82 40.252W42 31.386N 82 40.219W42 31.370N 82 40.208W42 31.358N 82 40.241W Depth: 8.1mIn Force Shoals number CNA1190/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.308N 82 40.404W42 31.327N 82 40.350W42 31.323N 82 40.348W42 31.304N 82 40.402W Depth: 8.0mIn Force Shoals number CNA1189/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.306N 82 40.430W42 31.353N 82 40.299W42 31.347N 82 40.294W42 31.300N 82 40.426W Depth: 7.8mIn Force Shoals number CNA1188/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.261N 82 40.571W42 31.378N 82 40.243W42 31.374N 82 40.240W42 31.256N 82 40.568W Depth: 6.8mIn Force Shoals number CNA1187/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.107N 82 40.978W42 31.134N 82 40.903W42 31.128N 82 40.898W42 31.101N 82 40.974W Depth: 8.1mIn Force Shoals number CNA1186/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.119N 82 40.968W42 31.257N 82 40.582W42 31.250N 82 40.578W42 31.112N 82 40.964W Depth: 7.3mIn Force Shoals number CNA1185/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.456N 82 39.810W42 32.214N 82 37.686W42 32.201N 82 37.678W42 31.443N 82 39.802W Depth: 7.8mIn Force Shoals number CNA1184/25 refers.

Waterway Information Shoal located in area bounded by: 42 30.930N 82 41.155W42 32.196N 82 37.609W42 32.191N 82 37.606W42 30.925N 82 41.152W Depth: 2.3mIn Force Shoals number CNA1183/25 refers.

Waterway Information Shoal located in area bounded by: 42 30.943N 82 41.149W42 32.204N 82 37.615W42 32.195N 82 37.609W42 30.934N 82 41.143W Depth: 5.3mIn Force Shoals number CNA1182/25 refers.

Waterway Information Shoal located in area bounded by: 42 30.967N 82 41.137W42 32.206N 82 37.667W42 32.189N 82 37.656W42 30.951N 82 41.126W Depth: 6.8mIn Force Shoals number CNA1181/25 refers.

Waterway Information Shoal located in area bounded by: 42 31.654N 82 39.268W42 32.188N 82 37.771W42 32.183N 82 37.768W42 31.649N 82 39.265W Depth: 8.0mIn Force Shoals number CNA1180/25 refers.

Waterway Information Shoal located in area bounded by: 42 34.003N 82 34.643W42 34.061N 82 34.565W42 34.057N 82 34.559W42 33.998N 82 34.637W Depth: 7.6mIn Force Shoals number CNA1159/25 refers.

Waterway Information Shoal located in area bounded by: 42 34.096N 82 34.514W42 34.100N 82 34.509W42 34.097N 82 34.505W42 34.093N 82 34.511W Depth: 8.1mIn Force Shoals number CNA1158/25 refers.

Waterway Information Shoal located in area bounded by: 42 34.278N 82 34.316W42 34.324N 82 34.243W42 34.302N 82 34.217W42 34.256N 82 34.290W Depth: 8.0mIn Force Shoals number CNA1157/25 refers.

Waterway Information Shoal located in area bounded by: 42 34.328N 82 34.222W42 34.383N 82 34.134W42 34.370N 82 34.119W42 34.314N 82 34.206W Depth: 7.5mIn Force Shoals number CNA1156/25 refers.

Waterway Information Shoal located in area bounded by: 42 36.301N 82 31.458W42 36.364N 82 31.357W42 36.355N 82 31.347W42 36.292N 82 31.447W Depth: 4.8mIn Force Shoals number CNA1155/25 refers.

Waterway Information Shoal located in area bounded by: 42 36.480N 82 31.253W42 36.509N 82 31.225W42 36.507N 82 31.222W42 36.478N 82 31.250W Depth: 8.1mIn Force Shoals number CNA1154/25 refers.

Waterway Information Shoal located in area bounded by: 42 36.696N 82 31.085W42 36.704N 82 31.081W42 36.703N 82 31.075W42 36.695N 82 31.079W Depth: 5.0mIn Force Shoals number CNA1153/25 refers.

Waterway Information Shoal located in area bounded by: 42 37.036N 82 30.928W42 37.041N 82 30.926W42 37.040N 82 30.922W42 37.035N 82 30.925W Depth: 8.2mIn Force Shoals number CNA1152/25 refers.

Waterway Information Shoal located in area bounded by: 42 37.063N 82 30.923W42 37.071N 82 30.920W42 37.068N 82 30.908W42 37.060N 82 30.912W Depth: 8.1mIn Force Shoals number CNA1151/25 refers.

Waterway Information Shoal located in area bounded by: 42 44.165N 82 28.894W42 44.218N 82 28.864W42 44.214N 82 28.852W42 44.162N 82 28.882W Depth: 8.2mIn Force Shoals number CNA1150/25 refers.

Waterway Information Shoal located in area bounded by: 42 58.574N 82 24.744W42 58.610N 82 24.759W42 58.612N 82 24.753W42 58.575N 82 24.737W Depth: 7.9mIn Force Shoals number CNA1149/25 refers.

Waterway Information Shoal located in area bounded by: 42 58.664N 82 24.781W42 58.666N 82 24.782W42 58.667N 82 24.779W42 58.665N 82 24.778W Depth: 8.1mIn Force Shoals number CNA1148/25 refers.

Waterway Information Shoal located in area bounded by: 42 58.699N 82 24.830W42 58.700N 82 24.831W42 58.701N 82 24.828W42 58.699N 82 24.828W Depth: 8.2mIn Force Shoals number CNA1147/25 refers.

Waterway Information Shoal located in area bounded by: 42 58.709N 82 24.813W42 58.748N 82 24.829W42 58.752N 82 24.813W42 58.713N 82 24.796W Depth: 7.7mIn Force Shoals number CNA1146/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.915N 83 7.927W42 3.926N 83 7.926W42 3.926N 83 7.921W42 3.915N 83 7.922W Depth: 8.6mIn Force Shoals number CNA1055/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.388N 83 7.999W42 3.403N 83 7.997W42 3.403N 83 7.987W42 3.388N 83 7.989W Depth: 8.7mIn Force Shoals number CNA1054/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.944N 83 8.018W42 4.088N 83 7.999W42 4.087N 83 7.990W42 3.944N 83 8.009W Depth: 8.2mIn Force Shoals number CNA1053/25 refers.

Waterway Information Shoal located in area bounded by: 42 20.753N 82 56.816W42 20.832N 82 56.710W42 20.825N 82 56.699W42 20.746N 82 56.805W Depth: 7.6mIn Force Shoals number CNA1105/25 refers.

Waterway Information Shoal located in area bounded by: 42 4.007N 83 7.954W42 4.031N 83 7.951W42 4.030N 83 7.937W42 4.006N 83 7.941W Depth: 8.7mIn Force Shoals number CNA1052/25 refers.

Waterway Information Shoal located in area bounded by: 42 20.685N 82 56.892W42 20.686N 82 56.891W42 20.685N 82 56.890W42 20.684N 82 56.891W Depth: 8.3mIn Force Shoals number CNA1104/25 refers.

Waterway Information Shoal located in area bounded by: 42 4.000N 83 7.915W42 4.003N 83 7.915W42 4.002N 83 7.911W42 3.999N 83 7.911W Depth: 8.7mIn Force Shoals number CNA1051/25 refers.

Waterway Information Shoal located in area bounded by: 42 20.317N 82 57.610W42 20.318N 82 57.607W42 20.317N 82 57.607W42 20.316N 82 57.609W Depth: 8.5mIn Force Shoals number CNA1103/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.964N 83 7.952W42 3.973N 83 7.951W42 3.970N 83 7.915W42 3.961N 83 7.916W Depth: 8.7mIn Force Shoals number CNA1050/25 refers.

Waterway Information Shoal located in area bounded by: 42 20.268N 82 57.858W42 20.339N 82 57.664W42 20.333N 82 57.660W42 20.262N 82 57.854W Depth: 8.5mIn Force Shoals number CNA1102/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.860N 83 7.959W42 3.862N 83 7.959W42 3.862N 83 7.958W42 3.860N 83 7.958W Depth: 8.7mIn Force Shoals number CNA1049/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.730N 83 7.954W42 3.828N 83 7.941W42 3.827N 83 7.934W42 3.729N 83 7.947W Depth: 8.4mIn Force Shoals number CNA1048/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.891N 83 8.009W42 1.893N 83 8.009W42 1.892N 83 8.007W42 1.890N 83 8.008W Depth: 6.3mIn Force Shoals number CNA1101/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.788N 83 8.008W42 3.810N 83 8.005W42 3.808N 83 7.978W42 3.786N 83 7.981W Depth: 8.7mIn Force Shoals number CNA1047/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.896N 83 8.020W42 1.904N 83 8.018W42 1.904N 83 8.017W42 1.896N 83 8.019W Depth: 6.1mIn Force Shoals number CNA1100/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.712N 83 8.049W42 3.728N 83 8.047W42 3.728N 83 8.040W42 3.712N 83 8.042W Depth: 8.4mIn Force Shoals number CNA1046/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.181N 83 7.959W42 2.183N 83 7.958W42 2.182N 83 7.957W42 2.181N 83 7.957W Depth: 6.2mIn Force Shoals number CNA1099/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.632N 83 7.976W42 3.711N 83 7.966W42 3.710N 83 7.950W42 3.631N 83 7.960W Depth: 8.5mIn Force Shoals number CNA1045/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.476N 83 7.905W42 2.652N 83 7.857W42 2.647N 83 7.825W42 2.471N 83 7.874W Depth: 6.2mIn Force Shoals number CNA1098/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.600N 83 8.009W42 3.604N 83 8.009W42 3.603N 83 7.998W42 3.599N 83 7.998W Depth: 8.7mIn Force Shoals number CNA1044/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.654N 83 7.871W42 2.786N 83 7.835W42 2.784N 83 7.817W42 2.651N 83 7.853W Depth: 6.1mIn Force Shoals number CNA1097/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.596N 83 8.060W42 3.609N 83 8.059W42 3.609N 83 8.053W42 3.596N 83 8.054W Depth: 8.7mIn Force Shoals number CNA1043/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.507N 83 8.077W42 3.595N 83 8.065W42 3.595N 83 8.057W42 3.506N 83 8.069W Depth: 8.2mIn Force Shoals number CNA1042/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.546N 83 8.054W42 3.548N 83 8.054W42 3.548N 83 8.051W42 3.546N 83 8.051W Depth: 8.7mIn Force Shoals number CNA1041/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.543N 83 7.985W42 3.557N 83 7.983W42 3.556N 83 7.970W42 3.542N 83 7.972W Depth: 8.5mIn Force Shoals number CNA1040/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.532N 83 8.026W42 3.548N 83 8.024W42 3.546N 83 8.000W42 3.530N 83 8.002W Depth: 8.7mIn Force Shoals number CNA1039/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.502N 83 7.985W42 3.512N 83 7.984W42 3.512N 83 7.976W42 3.502N 83 7.977W Depth: 8.7mIn Force Shoals number CNA1038/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.458N 83 8.060W42 3.486N 83 8.057W42 3.483N 83 8.020W42 3.455N 83 8.024W Depth: 8.7mIn Force Shoals number CNA1037/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.473N 83 7.990W42 3.475N 83 7.990W42 3.475N 83 7.988W42 3.473N 83 7.988W Depth: 8.7mIn Force Shoals number CNA1036/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.453N 83 7.991W42 3.462N 83 7.990W42 3.462N 83 7.982W42 3.452N 83 7.983W Depth: 8.5mIn Force Shoals number CNA1035/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.420N 83 7.990W42 3.422N 83 7.989W42 3.422N 83 7.988W42 3.420N 83 7.988W Depth: 8.0mIn Force Shoals number CNA1034/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.474N 83 8.080W42 3.495N 83 8.077W42 3.495N 83 8.067W42 3.473N 83 8.070W Depth: 8.6mIn Force Shoals number CNA1033/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.749N 83 7.505W42 3.788N 83 7.491W42 3.787N 83 7.486W42 3.748N 83 7.501W Depth: 8.3mIn Force Shoals number CNA1096/25 refers.

Waterway Information Shoal located in area bounded by: 42 5.371N 83 6.885W42 5.372N 83 6.884W42 5.372N 83 6.882W42 5.370N 83 6.883W Depth: 6.3mIn Force Shoals number CNA1095/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.302N 83 8.104W42 3.455N 83 8.083W42 3.454N 83 8.076W42 3.301N 83 8.096W Depth: 8.1mIn Force Shoals number CNA1032/25 refers.

Waterway Information Shoal located in area bounded by: 42 5.416N 83 6.881W42 5.417N 83 6.880W42 5.417N 83 6.878W42 5.415N 83 6.879W Depth: 6.3mIn Force Shoals number CNA1094/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.374N 83 7.981W42 3.312N 83 7.979W42 3.311N 83 8.001W42 3.373N 83 8.003W Depth: 8.5mIn Force Shoals number CNA1031/25 refers.

Waterway Information Shoal located in area bounded by: 42 5.513N 83 6.878W42 5.514N 83 6.878W42 5.514N 83 6.876W42 5.513N 83 6.876W Depth: 6.3mIn Force Shoals number CNA1093/25 refers.

Waterway Information Shoal located in area bounded by: 42 5.539N 83 6.867W42 5.541N 83 6.867W42 5.541N 83 6.865W42 5.540N 83 6.865W Depth: 6.2mIn Force Shoals number CNA1092/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.302N 83 7.999W42 3.303N 83 7.999W42 3.303N 83 7.994W42 3.302N 83 7.994W Depth: 8.7mIn Force Shoals number CNA1030/25 refers.

Waterway Information Shoal located in area bounded by: 42 5.617N 83 6.904W42 5.619N 83 6.904W42 5.619N 83 6.902W42 5.617N 83 6.902W Depth: 6.3mIn Force Shoals number CNA1091/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.301N 83 7.978W42 3.211N 83 7.975W42 3.211N 83 7.982W42 3.301N 83 7.985W Depth: 8.2mIn Force Shoals number CNA1029/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.263N 83 8.109W42 3.280N 83 8.107W42 3.279N 83 8.096W42 3.263N 83 8.098W Depth: 8.4mIn Force Shoals number CNA1028/25 refers.

Waterway Information Shoal located in area bounded by: 42 6.330N 83 6.996W42 6.332N 83 6.996W42 6.332N 83 6.994W42 6.330N 83 6.994W Depth: 6.1mIn Force Shoals number CNA1090/25 refers.

Waterway Information Shoal located in area bounded by: 42 6.417N 83 6.937W42 6.588N 83 6.925W42 6.588N 83 6.920W42 6.416N 83 6.932W Depth: 6.3mIn Force Shoals number CNA1089/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.136N 83 8.148W42 3.262N 83 8.110W42 3.261N 83 8.102W42 3.134N 83 8.141W Depth: 8.3mIn Force Shoals number CNA1027/25 refers.

Waterway Information Shoal located in area bounded by: 42 6.758N 83 6.914W42 6.759N 83 6.914W42 6.759N 83 6.911W42 6.758N 83 6.911W Depth: 6.3mIn Force Shoals number CNA1088/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.174N 83 8.060W42 3.176N 83 8.060W42 3.175N 83 8.058W42 3.174N 83 8.058W Depth: 8.7mIn Force Shoals number CNA1026/25 refers.

Waterway Information Shoal located in area bounded by: 42 5.403N 83 7.824W42 5.497N 83 7.811W42 5.496N 83 7.805W42 5.403N 83 7.818W Depth: 7.8mIn Force Shoals number CNA1087/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.092N 83 8.148W42 3.094N 83 8.148W42 3.094N 83 8.146W42 3.091N 83 8.146W Depth: 8.7mIn Force Shoals number CNA1025/25 refers.

Waterway Information Shoal located in area bounded by: 42 6.843N 83 6.910W42 6.844N 83 6.910W42 6.844N 83 6.907W42 6.843N 83 6.907W Depth: 6.3mIn Force Shoals number CNA1086/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.554N 83 8.359W42 2.659N 83 8.212W42 2.658N 83 8.192W42 1.553N 83 8.339W Depth: 6.0mIn Force Shoals number CNA1024/25 refers.

Waterway Information Shoal located in area bounded by: 42 6.840N 83 6.966W42 6.848N 83 6.965W42 6.848N 83 6.965W42 6.840N 83 6.965W Depth: 6.2mIn Force Shoals number CNA1085/25 refers.

Waterway Information Shoal located in area bounded by: 42 7.359N 83 6.923W42 7.360N 83 6.923W42 7.360N 83 6.921W42 7.359N 83 6.921W Depth: 6.1mIn Force Shoals number CNA1084/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.125N 83 8.399W42 2.374N 83 8.233W42 2.372N 83 8.206W42 1.123N 83 8.372W Depth: 7.1mIn Force Shoals number CNA1022/25 refers.

Waterway Information Shoal located in area bounded by: 42 5.458N 83 7.723W42 5.460N 83 7.723W42 5.459N 83 7.721W42 5.458N 83 7.722W Depth: 8.2mIn Force Shoals number CNA1083/25 refers.

Waterway Information Shoal located in area bounded by: 42 5.958N 83 7.030W42 6.230N 83 7.057W42 6.231N 83 7.052W42 5.959N 83 7.025W Depth: 7.0mIn Force Shoals number CNA1082/25 refers.

Waterway Information Shoal located in area bounded by: 42 5.533N 83 6.988W42 5.557N 83 6.991W42 5.557N 83 6.985W42 5.533N 83 6.983W Depth: 8.0mIn Force Shoals number CNA1081/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.411N 83 8.167W42 1.599N 83 8.142W42 1.597N 83 8.104W42 1.409N 83 8.129W Depth: 8.0mIn Force Shoals number CNA1020/25 refers.

Waterway Information Shoal located in area bounded by: 42 4.972N 83 7.788W42 5.047N 83 7.778W42 5.047N 83 7.771W42 4.972N 83 7.781W Depth: 8.3mIn Force Shoals number CNA1080/25 refers.

Waterway Information Shoal located in area bounded by: 42 0.779N 83 8.252W42 1.172N 83 8.199W42 1.169N 83 8.161W42 0.777N 83 8.214W Depth: 8.3mIn Force Shoals number CNA1019/25 refers.

Waterway Information Shoal located in area bounded by: 42 4.826N 83 7.809W42 4.827N 83 7.809W42 4.827N 83 7.807W42 4.826N 83 7.807W Depth: 8.3mIn Force Shoals number CNA1079/25 refers.

Waterway Information Shoal located in area bounded by: 42 4.621N 83 7.835W42 4.623N 83 7.834W42 4.622N 83 7.832W42 4.621N 83 7.833W Depth: 8.3mIn Force Shoals number CNA1078/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.364N 83 8.078W42 2.424N 83 8.070W42 2.423N 83 8.066W42 2.363N 83 8.074W Depth: 8.7mIn Force Shoals number CNA1018/25 refers.

Waterway Information Shoal located in area bounded by: 42 4.622N 83 7.895W42 4.624N 83 7.895W42 4.623N 83 7.893W42 4.622N 83 7.893W Depth: 8.3mIn Force Shoals number CNA1077/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.651N 83 8.040W42 2.768N 83 8.025W42 2.768N 83 8.020W42 2.650N 83 8.035W Depth: 8.6mIn Force Shoals number CNA1017/25 refers.

Waterway Information Shoal located in area bounded by: 42 4.153N 83 7.898W42 4.224N 83 7.888W42 4.223N 83 7.881W42 4.153N 83 7.891W Depth: 7.9mIn Force Shoals number CNA1076/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.672N 83 8.066W42 2.721N 83 8.059W42 2.720N 83 8.045W42 2.671N 83 8.052W Depth: 8.7mIn Force Shoals number CNA1016/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.580N 83 7.565W42 3.626N 83 7.549W42 3.625N 83 7.545W42 3.579N 83 7.561W Depth: 8.3mIn Force Shoals number CNA1075/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.563N 83 8.093W42 2.564N 83 8.093W42 2.564N 83 8.092W42 2.563N 83 8.092W Depth: 8.7mIn Force Shoals number CNA1015/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.594N 83 8.095W42 2.601N 83 8.094W42 2.601N 83 8.091W42 2.594N 83 8.092W Depth: 8.7mIn Force Shoals number CNA1014/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.585N 83 7.624W42 3.587N 83 7.623W42 3.587N 83 7.621W42 3.585N 83 7.622W Depth: 8.5mIn Force Shoals number CNA1074/25 refers.

Waterway Information Shoal located in area bounded by: 42 3.513N 83 7.654W42 3.521N 83 7.651W42 3.520N 83 7.644W42 3.511N 83 7.647W Depth: 8.4mIn Force Shoals number CNA1073/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.524N 83 8.103W42 2.534N 83 8.101W42 2.533N 83 8.093W42 2.524N 83 8.094W Depth: 8.7mIn Force Shoals number CNA1013/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.489N 83 8.110W42 2.504N 83 8.108W42 2.503N 83 8.093W42 2.488N 83 8.095W Depth: 8.6mIn Force Shoals number CNA1012/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.992N 83 7.804W42 3.945N 83 7.463W42 3.943N 83 7.454W42 2.990N 83 7.795W Depth: 8.3mIn Force Shoals number CNA1072/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.968N 83 7.787W42 2.969N 83 7.786W42 2.969N 83 7.784W42 2.967N 83 7.785W Depth: 8.5mIn Force Shoals number CNA1071/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.065N 83 8.199W42 2.067N 83 8.198W42 2.067N 83 8.196W42 2.065N 83 8.197W Depth: 8.7mIn Force Shoals number CNA1011/25 refers.

Waterway Information Shoal located in area bounded by: 42 2.367N 83 7.961W42 2.374N 83 7.959W42 2.373N 83 7.954W42 2.366N 83 7.956W Depth: 8.5mIn Force Shoals number CNA1070/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.594N 83 8.097W42 1.844N 83 8.052W42 1.843N 83 8.040W42 1.593N 83 8.085W Depth: 7.9mIn Force Shoals number CNA1069/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.597N 83 8.128W42 1.877N 83 8.078W42 1.874N 83 8.046W42 1.594N 83 8.096W Depth: 8.1mIn Force Shoals number CNA1068/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.117N 83 8.374W42 2.040N 83 8.251W42 2.039N 83 8.237W42 1.116N 83 8.360W Depth: 8.2mIn Force Shoals number CNA1008/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.599N 83 8.135W42 1.756N 83 8.106W42 1.755N 83 8.099W42 1.598N 83 8.127W Depth: 8.3mIn Force Shoals number CNA1067/25 refers.

Waterway Information Shoal located in area bounded by: 42 0.750N 83 8.219W42 1.595N 83 8.106W42 1.594N 83 8.087W42 0.748N 83 8.200W Depth: 7.8mIn Force Shoals number CNA1006/25 refers.

Waterway Information Shoal located in area bounded by: 42 8.825N 83 7.619W42 8.848N 83 7.629W42 8.849N 83 7.625W42 8.825N 83 7.616W Depth: 7.9mIn Force Shoals number CNA1066/25 refers.

Waterway Information Shoal located in area bounded by: 42 9.422N 83 7.750W42 9.647N 83 7.845W42 9.651N 83 7.829W42 9.426N 83 7.733W Depth: 8.0mIn Force Shoals number CNA1065/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.251N 83 8.172W42 1.271N 83 8.170W42 1.271N 83 8.164W42 1.250N 83 8.166W Depth: 8.7mIn Force Shoals number CNA1004/25 refers.

Waterway Information Shoal located in area bounded by: 42 9.276N 83 7.682W42 9.386N 83 7.728W42 9.388N 83 7.718W42 9.279N 83 7.671W Depth: 8.4mIn Force Shoals number CNA1064/25 refers.

Waterway Information Shoal located in area bounded by: 42 9.172N 83 7.642W42 9.254N 83 7.677W42 9.257N 83 7.662W42 9.175N 83 7.628W Depth: 8.3mIn Force Shoals number CNA1063/25 refers.

Waterway Information Shoal located in area bounded by: 42 8.746N 83 7.586W42 8.750N 83 7.588W42 8.751N 83 7.584W42 8.746N 83 7.582W Depth: 8.0mIn Force Shoals number CNA1061/25 refers.

Waterway Information Shoal located in area bounded by: 42 7.599N 83 6.967W42 7.620N 83 6.976W42 7.621N 83 6.972W42 7.600N 83 6.963W Depth: 7.3mIn Force Shoals number CNA1003/25 refers.

Waterway Information Shoal located in area bounded by: 42 8.482N 83 7.435W42 8.590N 83 7.481W42 8.595N 83 7.462W42 8.486N 83 7.416W Depth: 8.2mIn Force Shoals number CNA1060/25 refers.

Waterway Information Shoal located in area bounded by: 42 7.658N 83 6.992W42 7.704N 83 7.012W42 7.705N 83 7.008W42 7.659N 83 6.988W Depth: 7.6mIn Force Shoals number CNA1002/25 refers.

Waterway Information Shoal located in area bounded by: 42 8.348N 83 7.470W42 8.386N 83 7.470W42 8.386N 83 7.465W42 8.348N 83 7.465W Depth: 8.2mIn Force Shoals number CNA1057/25 refers.

Waterway Information Shoal located in area bounded by: 42 8.431N 83 7.429W42 8.535N 83 7.473W42 8.538N 83 7.459W42 8.435N 83 7.415W Depth: 8.4mIn Force Shoals number CNA1059/25 refers.

Waterway Information Shoal located in area bounded by: 42 8.290N 83 7.259W42 8.301N 83 7.263W42 8.302N 83 7.259W42 8.291N 83 7.255W Depth: 7.8mIn Force Shoals number CNA1001/25 refers.

Waterway Information Shoal located in area bounded by: 42 1.169N 83 8.410W42 1.555N 83 8.359W42 1.553N 83 8.339W42 1.168N 83 8.391W Depth: 5.3mIn Force Shoals number CNA1056/25 refers.

Waterway Information Shoal located in area bounded by: 42 8.336N 83 7.412W42 8.340N 83 7.414W42 8.341N 83 7.412W42 8.336N 83 7.410W Depth: 8.5mIn Force Shoals number CNA1058/25 refers.

Waterway Information Shoal located in area bounded by: 42 8.232N 83 7.241W42 8.233N 83 7.241W42 8.234N 83 7.237W42 8.233N 83 7.236W Depth: 8.2mIn Force Shoals number CNA1000/25 refers.

Waterway Information Shoal located in area bounded by: 47 1.839N 70 45.986W47 1.777N 70 46.045W47 1.793N 70 46.080W47 1.855N 70 46.021W Depth: 12.2mIn Force Shoals number Q5340/25 refers.

Waterway Information Shoal located in area bounded by: 47 4.739N 70 43.682W47 4.738N 70 43.683W47 4.739N 70 43.684W47 4.740N 70 43.683W Depth: 12.4mIn Force Shoals number Q5338/25 refers.

Waterway Information Shoal located in area bounded by: 47 4.570N 70 43.766W47 4.564N 70 43.770W47 4.572N 70 43.796W47 4.578N 70 43.793W Depth: 11.9mIn Force Shoals number Q5337/25 refers.

Waterway Information Shoal located in area bounded by: 47 4.523N 70 43.806W47 4.522N 70 43.807W47 4.523N 70 43.813W47 4.525N 70 43.811W Depth: 12.4mIn Force Shoals number Q5336/25 refers.

Waterway Information Shoal located in area bounded by: 46 55.613N 70 52.052W46 55.612N 70 52.052W46 55.613N 70 52.054W46 55.614N 70 52.053W Depth: 12.4mIn Force Shoals number Q5349/25 refers.

Waterway Information Shoal located in area bounded by: 46 55.612N 70 51.892W46 55.610N 70 51.893W46 55.613N 70 51.899W46 55.614N 70 51.898W Depth: 12.3mIn Force Shoals number Q5348/25 refers.

Waterway Information Shoal located in area bounded by: 46 55.855N 70 51.715W46 55.835N 70 51.734W46 55.852N 70 51.772W46 55.872N 70 51.753W Depth: 12.2mIn Force Shoals number Q5347/25 refers.

Waterway Information Shoal located in area bounded by: 46 55.856N 70 51.830W46 55.720N 70 51.959W46 55.757N 70 52.040W46 55.892N 70 51.911W Depth: 12.3mIn Force Shoals number Q5346/25 refers.

Waterway Information Shoal located in area bounded by: 46 56.024N 70 51.651W46 55.916N 70 51.755W46 55.946N 70 51.823W46 56.054N 70 51.719W Depth: 12.3mIn Force Shoals number Q5345/25 refers.

Waterway Information Shoal located in area bounded by: 46 56.700N 70 51.121W46 56.699N 70 51.122W46 56.703N 70 51.133W46 56.705N 70 51.132W Depth: 12.3mIn Force Shoals number Q5344/25 refers.

Waterway Information Shoal located in area bounded by: 46 56.433N 70 51.298W46 56.430N 70 51.301W46 56.438N 70 51.320W46 56.441N 70 51.317W Depth: 12.1mIn Force Shoals number Q5343/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.758N 72 26.714W46 22.756N 72 26.724W46 22.760N 72 26.726W46 22.762N 72 26.716W Depth: 10.9mIn Force Shoals number Q5351/25 refers.

Waterway Information Shoal located in area bounded by: 46 25.609N 72 21.727W46 25.604N 72 21.733W46 25.608N 72 21.741W46 25.613N 72 21.734W Depth: 11.1mIn Force Shoals number Q5350/25 refers.

Waterway Information Shoal located in area bounded by: 46 39.336N 71 46.510W46 39.337N 71 46.512W46 39.338N 71 46.511W46 39.338N 71 46.510W Depth: 10.6mIn Force Shoals number Q5331/25 refers.

Waterway Information Shoal located in area bounded by: 46 38.886N 71 45.282W46 38.921N 71 45.382W46 38.942N 71 45.367W46 38.907N 71 45.266W Depth: 10.5mIn Force Shoals number Q5335/25 refers.

Waterway Information Shoal located in area bounded by: 46 39.035N 71 45.642W46 39.037N 71 45.648W46 39.040N 71 45.646W46 39.038N 71 45.640W Depth: 10.5mIn Force Shoals number Q5334/25 refers.

Waterway Information Shoal located in area bounded by: 46 39.054N 71 45.739W46 39.102N 71 45.877W46 39.117N 71 45.866W46 39.069N 71 45.728W Depth: 10.1mIn Force Shoals number Q5333/25 refers.

Waterway Information Shoal located in area bounded by: 46 33.899N 72 6.420W46 33.896N 72 6.530W46 33.914N 72 6.531W46 33.917N 72 6.421W Depth: 10.6mIn Force Shoals number Q5327/25 refers.

Waterway Information Shoal located in area bounded by: 46 39.199N 71 46.109W46 39.204N 71 46.122W46 39.206N 71 46.120W46 39.202N 71 46.107W Depth: 10.6mIn Force Shoals number Q5332/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.646N 72 13.637W46 30.460N 72 13.724W46 30.470N 72 13.769W46 30.656N 72 13.683W Depth: 10.2mIn Force Shoals number Q5320/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.629N 72 13.695W46 30.288N 72 13.854W46 30.299N 72 13.907W46 30.641N 72 13.748W Depth: 9.5mIn Force Shoals number Q5321/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.247N 72 28.801W46 22.238N 72 28.823W46 22.242N 72 28.827W46 22.252N 72 28.805W Depth: 11.0mIn Force Shoals number Q5315/25 refers.

Waterway Information Shoal located in area bounded by: 46 39.532N 71 47.472W46 39.536N 71 47.481W46 39.538N 71 47.479W46 39.535N 71 47.470W Depth: 10.4mIn Force Shoals number Q5330/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.607N 72 13.764W46 30.226N 72 13.940W46 30.231N 72 13.963W46 30.612N 72 13.786W Depth: 9.4mIn Force Shoals number Q5322/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.275N 72 28.732W46 22.317N 72 28.618W46 22.314N 72 28.615W46 22.272N 72 28.729W Depth: 10.1mIn Force Shoals number Q5314/25 refers.

Waterway Information Shoal located in area bounded by: 46 20.440N 72 32.286W46 20.414N 72 32.328W46 20.418N 72 32.334W46 20.444N 72 32.292W Depth: 8.5mIn Force Shoals number Q5223/25 refers.

Waterway Information Shoal located in area bounded by: 46 33.812N 72 7.133W46 33.778N 72 7.266W46 33.783N 72 7.268W46 33.816N 72 7.135W Depth: 10.6mIn Force Shoals number Q5326/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.281N 72 28.727W46 22.322N 72 28.617W46 22.319N 72 28.614W46 22.278N 72 28.724W Depth: 10.8mIn Force Shoals number Q5313/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.471N 72 13.709W46 30.463N 72 13.713W46 30.465N 72 13.721W46 30.473N 72 13.717W Depth: 10.3mIn Force Shoals number Q5325/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.483N 72 28.107W46 22.518N 72 27.980W46 22.514N 72 27.978W46 22.480N 72 28.105W Depth: 11.1mIn Force Shoals number Q5312/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.561N 72 13.881W46 29.664N 72 14.297W46 29.684N 72 14.386W46 30.581N 72 13.970W Depth: 8.4mIn Force Shoals number Q5324/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.464N 72 28.159W46 22.406N 72 28.356W46 22.411N 72 28.359W46 22.469N 72 28.162W Depth: 10.9mIn Force Shoals number Q5311/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.590N 72 13.797W46 29.774N 72 14.175W46 29.789N 72 14.239W46 30.604N 72 13.861W Depth: 8.8mIn Force Shoals number Q5323/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.864N 72 26.147W46 22.864N 72 26.149W46 22.865N 72 26.150W46 22.866N 72 26.148W Depth: 11.2mIn Force Shoals number Q5310/25 refers.

Waterway Information Shoal located in area bounded by: 46 27.208N 72 15.571W46 27.206N 72 15.572W46 27.207N 72 15.574W46 27.208N 72 15.572W Depth: 11.2mIn Force Shoals number Q5319/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.954N 72 25.873W46 22.953N 72 25.874W46 22.954N 72 25.875W46 22.955N 72 25.874W Depth: 9.9mIn Force Shoals number Q5309/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.788N 72 26.579W46 22.854N 72 26.202W46 22.847N 72 26.199W46 22.781N 72 26.576W Depth: 10.5mIn Force Shoals number Q5308/25 refers.

Waterway Information Shoal located in area bounded by: 46 23.232N 72 25.670W46 23.146N 72 25.851W46 23.149N 72 25.854W46 23.234N 72 25.672W Depth: 10.6mIn Force Shoals number Q5306/25 refers.

Waterway Information Shoal located in area bounded by: 46 39.995N 71 48.784W46 39.999N 71 48.796W46 40.007N 71 48.791W46 40.003N 71 48.779W Depth: 10.1mIn Force Shoals number Q5316/25 refers.

Waterway Information Shoal located in area bounded by: 46 23.234N 72 25.672W46 23.148N 72 25.854W46 23.152N 72 25.858W46 23.238N 72 25.676W Depth: 9.9mIn Force Shoals number Q5305/25 refers.

Waterway Information Shoal located in area bounded by: 46 37.300N 71 56.929W46 37.285N 71 56.957W46 37.289N 71 56.961W46 37.303N 71 56.932W Depth: 10.1mIn Force Shoals number Q5158/25 refers.

Waterway Information Shoal located in area bounded by: 46 30.547N 72 13.360W46 30.566N 72 13.338W46 30.560N 72 13.328W46 30.542N 72 13.350W Depth: 10.9mIn Force Shoals number Q5162/25 refers.

Waterway Information Shoal located in area bounded by: 46 37.071N 71 57.397W46 37.276N 71 57.002W46 37.267N 71 56.992W46 37.061N 71 57.386W Depth: 8.2mIn Force Shoals number Q5157/25 refers.

Waterway Information Shoal located in area bounded by: 46 35.941N 71 59.841W46 35.939N 71 59.843W46 35.941N 71 59.845W46 35.942N 71 59.843W Depth: 10.3mIn Force Shoals number Q5156/25 refers.

Waterway Information Shoal located in area bounded by: 46 22.778N 72 26.589W46 22.849N 72 26.190W46 22.845N 72 26.188W46 22.775N 72 26.588W Depth: 9.4mIn Force Shoals number Q5226/25 refers.

Waterway Information Shoal located in area bounded by: 46 31.399N 72 12.076W46 31.387N 72 12.107W46 31.390N 72 12.110W46 31.402N 72 12.079W Depth: 10.9mIn Force Shoals number Q5186/25 refers.

Waterway Information Shoal located in area bounded by: 46 24.338N 72 22.968W46 24.338N 72 22.969W46 24.339N 72 22.970W46 24.339N 72 22.969W Depth: 10.5mIn Force Shoals number Q5083/25 refers.

Waterway Information Shoal located in area bounded by: 46 24.288N 72 23.024W46 24.287N 72 23.026W46 24.288N 72 23.027W46 24.289N 72 23.025W Depth: 10.6mIn Force Shoals number Q5082/25 refers.

Waterway Information Shoal located in area bounded by: 46 24.242N 72 22.981W46 24.245N 72 23.015W46 24.256N 72 23.014W46 24.253N 72 22.979W Depth: 10.1mIn Force Shoals number Q5081/25 refers.

Waterway Information Shoal located in area bounded by: 46 38.929N 71 54.533W46 38.928N 71 54.534W46 38.929N 71 54.536W46 38.930N 71 54.535W Depth: 10.4mIn Force Shoals number Q5159/25 refers.

Waterway Information Shoal located in area bounded by: 46 24.229N 72 22.998W46 24.241N 72 23.141W46 24.255N 72 23.139W46 24.243N 72 22.996W Depth: 8.7mIn Force Shoals number Q5080/25 refers.

Waterway Information Shoal located in area bounded by: 46 34.012N 72 4.178W46 34.000N 72 4.260W46 34.002N 72 4.261W46 34.015N 72 4.179W Depth: 10.5mIn Force Shoals number Q5135/25 refers.

Waterway Information Shoal located in area bounded by: 45 36.666N 73 29.831W45 36.645N 73 29.846W45 36.646N 73 29.850W45 36.668N 73 29.835W Depth: 8.6mIn Force Shoals number Q5026/25 refers.

Waterway Information Shoal located in area bounded by: 45 36.625N 73 29.929W45 36.608N 73 29.995W45 36.611N 73 29.997W45 36.628N 73 29.930W Depth: 8.5mIn Force Shoals number Q5025/25 refers.

Waterway Information Shoal located in area bounded by: 45 37.845N 73 29.045W45 37.834N 73 29.082W45 37.837N 73 29.085W45 37.849N 73 29.047W Depth: 11.0mIn Force Shoals number Q5024/25 refers.

Waterway Information Shoal located in area bounded by: 46 7.994N 72 57.384W46 7.690N 72 57.485W46 7.692N 72 57.492W46 7.996N 72 57.391W Depth: 10.0mIn Force Shoals number Q5341/25 refers.

Waterway Information Shoal located in area bounded by: 46 10.546N 72 55.207W46 10.476N 72 55.303W46 10.486N 72 55.318W46 10.555N 72 55.221W Depth: 11.2mIn Force Shoals number Q5339/25 refers.

Waterway Information Shoal located in area bounded by: 46 11.596N 72 53.494W46 11.595N 72 53.495W46 11.597N 72 53.496W46 11.597N 72 53.494W Depth: 11.2mIn Force Shoals number Q5342/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.256N 72 43.352W46 15.254N 72 43.356W46 15.259N 72 43.361W46 15.261N 72 43.357W Depth: 11.1mIn Force Shoals number Q5328/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.934N 72 48.567W46 12.934N 72 48.569W46 12.935N 72 48.570W46 12.936N 72 48.568W Depth: 11.2mIn Force Shoals number Q5329/25 refers.

Waterway Information Shoal located in area bounded by: 45 50.260N 73 16.840W45 50.223N 73 16.858W45 50.224N 73 16.863W45 50.261N 73 16.844W Depth: 10.5mIn Force Shoals number Q5043/25 refers.

Waterway Information Shoal located in area bounded by: 45 54.601N 73 13.054W45 54.785N 73 13.005W45 54.784N 73 12.998W45 54.601N 73 13.048W Depth: 10.0mIn Force Shoals number Q5304/25 refers.

Waterway Information Shoal located in area bounded by: 45 54.616N 73 13.043W45 54.773N 73 13.001W45 54.772N 73 12.996W45 54.615N 73 13.039W Depth: 10.9mIn Force Shoals number Q5303/25 refers.

Waterway Information Shoal located in area bounded by: 45 49.824N 73 17.522W45 49.823N 73 17.523W45 49.824N 73 17.525W45 49.825N 73 17.523W Depth: 10.7mIn Force Shoals number Q5302/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.679N 72 48.430W46 12.385N 72 49.264W46 12.394N 72 49.304W46 12.698N 72 48.444W Depth: 9.3mIn Force Shoals number Q5253/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.500N 72 49.025W46 12.414N 72 49.269W46 12.417N 72 49.271W46 12.503N 72 49.028W Depth: 10.4mIn Force Shoals number Q5301/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.636N 72 48.460W46 12.372N 72 49.208W46 12.375N 72 49.221W46 12.642N 72 48.465W Depth: 7.4mIn Force Shoals number Q5254/25 refers.

Waterway Information Shoal located in area bounded by: 46 16.711N 72 36.601W46 16.710N 72 36.603W46 16.711N 72 36.604W46 16.712N 72 36.602W Depth: 11.1mIn Force Shoals number Q5212/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.514N 72 48.965W46 12.394N 72 49.304W46 12.397N 72 49.318W46 12.520N 72 48.969W Depth: 10.0mIn Force Shoals number Q5250/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.652N 72 48.436W46 12.375N 72 49.221W46 12.385N 72 49.264W46 12.672N 72 48.451W Depth: 8.4mIn Force Shoals number Q5252/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.830N 72 39.414W46 15.830N 72 39.416W46 15.831N 72 39.416W46 15.831N 72 39.414W Depth: 11.1mIn Force Shoals number Q5193/25 refers.

Waterway Information Shoal located in area bounded by: 46 16.762N 72 36.507W46 16.761N 72 36.508W46 16.762N 72 36.509W46 16.763N 72 36.508W Depth: 11.1mIn Force Shoals number Q5192/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.782N 72 38.647W46 15.781N 72 38.649W46 15.783N 72 38.649W46 15.783N 72 38.647W Depth: 10.6mIn Force Shoals number Q5194/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.898N 72 42.028W46 15.885N 72 42.105W46 15.899N 72 42.110W46 15.912N 72 42.033W Depth: 11.1mIn Force Shoals number Q5141/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.726N 72 40.528W46 15.726N 72 40.531W46 15.728N 72 40.531W46 15.728N 72 40.527W Depth: 11.2mIn Force Shoals number Q5131/25 refers.

Waterway Information Shoal located in area bounded by: 46 15.751N 72 41.115W46 15.751N 72 41.133W46 15.756N 72 41.133W46 15.756N 72 41.115W Depth: 11.1mIn Force Shoals number Q5130/25 refers.

Waterway Information Shoal located in area bounded by: 45 33.562N 73 30.786W45 33.561N 73 30.787W45 33.562N 73 30.789W45 33.563N 73 30.788W Depth: 10.9mIn Force Shoals number Q5020/25 refers.

Waterway Information Shoal located in area bounded by: 45 33.502N 73 30.821W45 33.500N 73 30.822W45 33.501N 73 30.824W45 33.502N 73 30.823W Depth: 10.9mIn Force Shoals number Q5019/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.407N 72 49.362W46 12.372N 72 49.208W46 12.358N 72 49.215W46 12.393N 72 49.369W Depth: 8.9mIn Force Shoals number Q5072/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.342N 72 49.244W46 12.381N 72 49.418W46 12.402N 72 49.408W46 12.363N 72 49.235W Depth: 8.3mIn Force Shoals number Q5069/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.328N 72 49.283W46 12.374N 72 49.486W46 12.395N 72 49.476W46 12.349N 72 49.273W Depth: 6.9mIn Force Shoals number Q5068/25 refers.

Waterway Information Shoal located in area bounded by: 45 33.049N 73 31.119W45 33.048N 73 31.120W45 33.049N 73 31.122W45 33.050N 73 31.121W Depth: 10.9mIn Force Shoals number Q5031/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.409N 72 49.569W46 12.422N 72 49.627W46 12.434N 72 49.621W46 12.421N 72 49.564W Depth: 9.2mIn Force Shoals number Q5067/25 refers.

Waterway Information Shoal located in area bounded by: 46 12.374N 72 49.487W46 12.418N 72 49.682W46 12.433N 72 49.675W46 12.389N 72 49.480W Depth: 7.1mIn Force Shoals number Q5066/25 refers.

Waterway Information Shoal located in area bounded by: 45 32.214N 73 31.833W45 32.190N 73 31.853W45 32.192N 73 31.857W45 32.216N 73 31.837W Depth: 10.9mIn Force Shoals number Q5030/25 refers.

Waterway Information Shoal located in area bounded by: 45 32.151N 73 31.888W45 32.142N 73 31.895W45 32.145N 73 31.900W45 32.153N 73 31.893W Depth: 10.8mIn Force Shoals number Q5029/25 refers.

Military Exercises - Flare Exercises Exercises using white parachute flares taking place daily until 010400 UTC Apr 2026 at the Land Force Central Area Training Centre in Meaford.

Aids to Navigation Off station, 335 metres downstream.

Shallow Depth Reported Shallow depth reported in 47 33.689N 061 33.695W at 242116 UTC Feb 2026. Depth of 4.2 metres.

Aids to Navigation Off position

Hazardous Area Steel sheet piles reported at 42 47.028N 080 11.993W, extending into the channel.

Aids to Navigation Aground

Marine Works Breakwater construction taking place Monday to Thursday between 1100 UTC and 2330 UTC at the Saint-Georges-de-Malbay harbour at 48 37.233N 064 11.991W.

Aids to Navigation - Winter conditions Due to winter conditions, many buoys could be iced, laying on their sides, extinguished or burning at reduced intensity. For more information, contact the appropriate MCTS center.

Waterway Information Shallower depth reported at 48 24.847N 089 13.220W, 8.0 metres.

Waterway Information Shallower depth reported at 48 24.363N 089 12.912W, 7.75 metres.

Aids to Navigation Missing

Aids to Navigation Unlit

Marine Works Construction and diving operations taking place 24 hours a day at Cap-aux-Meules wharf 11. Workboats and safety boats on site. Minimum wake requested. Keep clear.

Aids to Navigation Missing

Aids to Navigation Lifted for winter

Waterway Information Shallower depth located at 50 16.448N 064 46.884W, 0.7 metres.

Obstruction Diving operations taking place at the Tadoussac ferry dock Monday to Thursday from 1100 UTC to 2215 UTC.

Marine Works - Riprap Riprap work taking place at pier 25 beginning 15 Jan 2026.

Aids to Navigation Unlit

Aids to Navigation Unlit

Obstruction Lake Erie-Niagara River ice boom installed.

MCTS VHF Services Sarnia MCTS. Transmit and receive services on VHF RT CH27 located at Bald Head off air 082145 UTC Jan 2026.

Waterway Information Shallower depth located at 47 12.937N 061 59.097W, 1.6 metres.

Aids to Navigation Off position, 75 metres downstream.

Waterway information - Operation Coal Shovel The Commander of U.S. Coast Guard Sector Detroit has commenced Operation Coal Shovel. The Captain of the Port of Detroit directs all shipping companies to provide an estimated time of arrival (ETA) for their vessel movements arriving and departing from any location within the Operation Coal Shovel area of responsibility. Daily Vessel Movement Reports must be submitted prior to 1500 UTC and at least 48 hours in advance, by email to SecDetroitWWM@uscg.mil using a form which may be found on the USCG Homeport web page. In addition, ETA updates must be provided whenever there is a deviation of more than six hours from the originally submitted time. Updates can be made by contacting the Sector Detroit Command Center at (833) 388-8724 or the U.S. Duty Ice officer at (313) 475-7475. The zone extends from the eastern end of Lake Erie's navigable waters, through the Detroit-St Clair river system, and north to Lake Huron south of Alpena, MI.

Marine Works - Construction operations Construction operations taking place during daylight hours on the retaining wall of Royal Military College Saint-Jean at 45 17.919N 073 15.013W beginning 05 Jan 2026. Turbidity curtains, cofferdams and a barge may be present.

Outage of dynamic bridge The Ship Channel bridge at 43 38.476N 079 20.940W closed to marine traffic from 050000 UTC Jan 2026 until 060000 UTC Apr 2026. Stay clear.

Aids to Navigation Unidentified green buoy reported capsized at 44 09.75N 077 07.59W.

Obstruction Two submerged pipes 400 metres in length alongside berth 426, marked by hazard markers. Mooring prohibited.

Waterway information - Winter Regulations Winter regulations for the Port of Quebec are now effective. Vessels will no longer be authorized to anchor within the harbour limits of the Port of Quebec, including at anchorage points A, B, C and D. However, Maheux River anchorages 1, 2 and 3 will remain open subject to the mandatory presence of a pilot on board. The maximum draft for vessels departing the Port of Quebec for transit is set at 14.5 meters, except for Valero vessels. The St-Jean anchorage is also closed. Please pay special attention when planning arrivals and departures, for vessels with deep drafts. Under-keel clearance remains at 0.75 meters and will now be applied year-round, both summer and winter.

Obstruction - Barge Barge in place at the Kingston-Wolfe Island ferry terminal. Barge is 3 metres by 12 metres and lit.

Waterway Information - Operation Taconite U.S. Coast Guard Sector Northern Great Lakes has commenced Operation Taconite. The implementation of Operation Taconite places additional movement and calling-in-point criteria on commercial vessels transiting the area of operation. For more information about the requirements, contact U.S. Coast Guard Vessel Traffic Services at (906) 635-3299 or via email at sootfc@uscg.mil

Obstruction Three scientific moorings temporarily established at: 49 08.572N 063 30.909W 49 00.409N 063 35.446W 48 55.848N 063 37.985W Upper part of the moorings located 30 metres below the surface.

Aids to Navigation Missing

Waterway information - Regulations In accordance with the provisions of United States 33 CFR part 162.134(D) governing the connecting waters from Lake Erie to Lake Huron and the Canadian Navigation Safety Regulations - 2020 part 3 division 3 - St. Clair and Detroit River paragraph 321 (a) and (b) , effective 16 Dec 2025 both upbound and downbound traffic will be permitted in the Livingstone Channel subject to the following conditions: 1. Vessels shall not meet or pass in the Livingstone Channel between Livingstone Channel upper entrance light and Bar Point pier light D33. 2. Upbound vessels shall report to MCTS Sarnia on VHF channel 12 one hour prior to entering the normal one way portion of the Livingstone Channel and again upon exiting that portion of the channel. 3. Downbound vessels shall include in their normal reports to MCTS Sarnia at the Belle Isle Light calling-in-point an ETA to entering the Livingstone Channel and shall report again upon exit. 4. Downbound vessels reporting at Grassy Island Light calling-in-point in advance of the Livingstone Channel will normally have the right of way over upbound vessels which have not reported at the Detroit River Light. However, ice and weather conditions may dictate that upbound vessels are allowed to clear the Livingstone Channel prior to downbound transits. MCTS Sarnia will prioritize traffic as necessary to resolve conflict between upbound and downbound traffic. The Amherstburg channel remains open to navigation but mariners are advised that aids to navigation remain in an unmonitored status.

Waterway information - Pointe aux Ormes anchorages closed Anchoring at the Pointe aux Ormes anchorage areas is now prohibited.

Winter conditions for buoys Due to winter conditions, many buoys could be iced, laying on their sides, extinguished or burning at reduced intensity. For more information, contact the appropriate MCTS center.

Waterway Information The Canadian Coast Guard published the VN-200 chart aimed at identifying maintained depths of the Saint Lawrence Waterway including certain anchorage areas. Considering the natural over-depth observed at the TR1 anchorage station in the port of Trois-Rivières, it has been agreed to exceptionally allow a depth of 11.3 meters instead of 10.7 meters. This depth is observed within the polygon defined by the following coordinates: Point A : 46 20.227N 072 32.454W Point B : 46 20.157N 072 32.060W Point C : 46 20.074N 072 32.040W Point D : 46 19.557N 072 32.892W Point E : 46 19.560N 072 32.897W Point F : 46 19.639N 072 32.921W Point G : 46 19.950N 072 32.661W Point H : 46 20.093N 072 32.550W In order to obtain an anchoring authorization, every vessel is required to communicate and comply with the procedures established by the Trois-Rivières Port Authority.

Waterway Information - Winter Navigation Transport Canada Marine Safety and the Canadian Coast Guard remind masters and chief engineers that winter navigation and cold weather warnings are now in effect. Vessel icing may impair stability, navigation and deck equipment. It is the master's responsibility to closely monitor icing spray conditions. Canadian regulations require all ships operating in ice-covered waters to be designed to maintain sea-water cooling supply in slush and frazil ice conditions. This requirement is now in effect for ships transiting west of Les Escoumins pilot station. Special attention must be given to: 1. Recirculation system must be provided and used to prevent choking of sea water cooling system suction strainers; 2. Seawater strainers must be verified and cleaned prior entering Gulf of St. Lawrence; 3. All seawater valves must operate freely; 4. Tools and lifting gear must be readily available for rapid cleaning of strainers; and 5. Close monitoring of cooling system must be kept at all times.

Waterway Information - Allowable draft Shallower depths located at the Morterm dock. Maximum allowable draft 6.3 metres.

Obstruction - Vehicle in water Vehicle submerged in the vicinity of 42 15.434N 081 54.485W.

Aids to Navigation Temporarily moved to 46 40.205N 071 50.808W. Characteristics ISO G 2s, focal height changed from 9.56 metres to 8.55 metres.

Obstruction Submerged sea container reported at 45 41.998N 073 26.860W.

Aids to Navigation White buoy reported at 45 10.405N 080 07.994W.

Aids to Navigation Temporarily relocated from 47 14.093N 061 49.625W to 47 14.090N 061 49.627W.

Waterway Information Shoaling reported in Bayfield Harbour. Caution.

Obstruction Subsurface scientific moorings temporarily established 3 metres below the surface at: 43 36.339N 079 26.148W 43 35.964N 079 27.377W 43 36.749N 079 27.551W 43 36.974N 079 28.268W 43 35.495N 079 28.114W 2 scientific moorings temporarily established 1 metre from lake bottom at: 43 36.684N 079 27.608W 43 35.509N 079 27.932W Stay clear 100 metres.

Obstruction Île Bizard ice boom installed for the season.

Waterway Information Shallower depth located at 47 52.631N 069 40.840W, 0.6 metres.

Aids to Navigation Mooring buoy marking the shipwreck "Oliver Mowat" replaced with plastic jug.

Obstruction - White Jug Mooring buoy marking the shipwreck "P.B. Locke" replaced with a white plastic jug at 43 54.971N 078 17.930W.

Waterway Information Shallower depths located at: 45 23.750N 073 53.066W, 0.8 metres 45 23.373N 073 52.673W, 0.4 metres 45 23.144N 073 52.229W, 0.4 metres 45 22.133N 073 50.596W, 0.6 metres

Waterway information - Ice Formation Mariners are requested to anchor their vessels in the middle of the Ha! Ha! Bay facing the port of Rio Tinto during fast ice formation.

Obstruction Subsurface scientific moorings temporarily established 3 metres below the surface at: 44 16.889N 079 30.979W 44 16.875N 079 30.986W

Obstruction Subsurface scientific mooring temporarily established at: 44 23.890N 079 34.297W 44 23.880N 079 34.327W, 3 metres below the surface. 44 23.928N 079 34.277W 44 23.925N 079 34.308W, 8 metres below the surface.

Obstruction Cartierville ice boom installed for the season.

Obstruction Two orange and white mooring buoys marking the shipwreck "Kinghorn" replaced with plastic jugs at 44 22.600N 075 55.800W.

Obstruction Brockville Fireworks Barge mooring buoy replaced with a white plastic jug at 44 35.298N 075 40.727W.

Obstruction Privately maintained orange and white mooring buoy marking the shipwreck "Ash Island barge" replaced with a plastic jug at 44 21.487N 075 59.803W.

Aids to Navigation Mooring buoys marking the shipwreck "Muscallonge" replaced with a white plastic jug at 44 36.246N 075 39.215W.

Aids to Navigation Two privately maintained orange and white mooring buoys marking the shipwreck "Robert Gaskin" replaced with two white plastic jugs at 44 35.358N 075 40.625W.

Aids to Navigation Mooring buoys marking the shipwreck "Henry C. Daryaw" replaced with a white plastic jug at 44 31.567N 075 45.755W.

Aids to Navigation Privately maintained orange and white mooring buoy marking the shipwreck "Lillie Parsons" replaced with a white plastic jug at 44 33.332N 075 43.122W.

Obstruction Lavaltrie ice boom installed for the season.

Obstruction - Footbridge Footbridge installed between Coney Island and Kenora at Camerons Narrows for the winter season. Camerons Narrows closed to vessel traffic.

Seasonal Buoy Program All fixed and floating aids are to be considered decommissioned for the winter and are in an unmaintained status. Some buoys remain in the water and may be off position. Lighted aids may not be operating properly. Both fixed and floating aids will remain in a unmaintained status until a commissioning notice is issued in the spring.

Aids to Navigation Temporarily removed

Aids to Navigation Temporarily changed to sector light with the following characteristics: Red from 205.7 to 206.7 degrees, white from 206.7 to 207.7 degrees, green from 207.7 to 208.7 degrees. Nominal range changed from 13 NM to 13.5 NM

Waterway information Shallower depth reported at Rio Tinto Iron and Titanium dock, 10.1 metres.

Obstruction Lanoraie ice boom installed for the season.

Obstruction Yamachiche ice boom installed for the season.

Aids to Navigation Temporarily replaced by tower with decreased focal height exhibiting same light characteristics: Iso G 2s Fl 1s Ec 1s.

Obstruction Ship propeller reported lost at 43 17.53N 079 49.74W.

Aids to Navigation Unlit

Aids to Navigation Privately maintained navigational aids may be unreliable due to multiple buoys reported having discrepancies.

Obstruction Underwater hydrophone deployed at 47 54.665N 069 47.858W 102 metres below the surface.

Marine works Dredging operations taking place 24 hours a day at the port of Cap-aux-Meules beginning 12 Oct 2025. Immersion site in an area bound by: 47 22.029N 061 47.837W 47 21.970N 061 47.659W 47 21.825N 061 47.762W 47 21.883N 061 47.941W

Obstruction - Tree Tree reported partially submerged in the vicinity of 48 21.5N 089 17.2W at 091527 UTC Oct 2025.

Obstruction Privately maintained mooring buoy marking the shipwreck "Julia B. Merrill" replaced by a blue 20 litre jug at 43 37.135N 079 26.753W.

Obstruction Privately maintained mooring buoy marking the shipwreck "Sligo" replaced by a blue 20 litre jug at 43 36.882N 079 27.094W.

Obstruction Privately maintained mooring buoy marking the shipwreck "Lyman Davis" replaced by a blue 20 litre jug at 43 36.132N 079 24.996W.

Obstruction - Boat lift Metal boat lift marked by an unlit white fender reported awash in the vicinity of 45 25.4N 073 51.5W.

Waterway information The depths in the channel entrance to Summerstown, west of Clark Island, are less than charted. Stay clear of area bounded by: 45 03.001N 074 34.543W 45 03.002N 074 34.383W 45 02.772N 074 34.492W 45 02.772N 074 34.772W

Aids to Navigation Temporarily removed

Aids to Navigation Temporarily removed

Aids to Navigation Missing

Obstruction Two subsurface scientific moorings temporarily established 2 metres from lake bottom at: 44 06.200N 081 47.214W 44 07.145N 081 50.241W Stay clear 100 metres.

Obstruction Subsurface scientific mooring temporarily established 5 metres below the surface at: 44 06.959N 081 50.119W 44 06.942N 081 50.141W The mooring has two points; the first being the scientific instrumentation and the second being the end of the poly line. Mariners are requested to stay clear 100 metres and not set nets or drag the lakebed between the two points.

Waterway information Shoaling reported within the navigation channel in the vicinity of 47 24.070N 061 50.382W.

Aids to Navigation Unlit

Aids to Navigation Privately maintained red spherical buoy reported at 45 23.077N 080 12.539W marking a hazard to navigation.

Aids to Navigation Unreliable, obstructed.

Aids to Navigation Unreliable, obstructed.

Aids to Navigation Destroyed

Aids to Navigation Orange and white speed control buoys established at: OHS-1: 43 38.355N 079 20.046W OHS-2: 43 38.330N 079 19.970W OHS-3: 43 38.304N 079 19.894W OHS-4: 43 38.359N 079 19.905W OHS-5: 43 38.384N 079 19.981W

Waterway information Shallower depths located at: 48 47.817N 087 28.561W, 14.5 metres 48 48.159N 087 28.220W, 15.7 metres

Aids to Navigation Yellow buoys marked 'Hydro Québec' temporarily established at: 45 00.911N 073 20.941W 45 01.087N 073 20.977W 45 01.455N 073 20.765W

Aids to Navigation Off position, 400 metres west

Waterway information Shallower depths located at: 48 48.601N 087 31.082W, 12.7 metres 48 49.527N 087 31.086W, 6.6 metres 48 49.065N 087 30.221W, 8.8 metres 48 49.008N 087 29.531W, 7.6 metres 48 50.196N 087 37.087W, 7.8 metres 48 48.129N 087 30.680W, 10.6 metres 48 49.138N 087 36.187W, 10.9 metres 48 48.732N 087 35.934W, 11.6 metres 48 48.234N 087 30.938W, 13.8 metres 48 48.939N 087 36.281W, 15.0 metres 48 50.069N 087 36.040W, 18.3 metres

Aids to Navigation Unreliable, daymark obstructed by a tree.

Waterway information Shallower depth located at 48 49.886N 087 30.100W, 5.9 metres

Waterway information Due to low water levels and possible silting, shallower depths are reported within the launch ramp area at the Harmony Bay Small Craft Harbour. Caution.

Aids to Navigation Temporarily removed

Waterway information Shallower depths located at: 48 48.933N 087 29.559W, 9.9 metres 48 49.913N 087 31.154W, 10.1 metres 48 49.211N 087 31.707W, 15.7 metres 48 49.122N 087 32.492W, 19.9 metres

Waterway information Shallower depth located at: 47 22.492N 061 51.118W, 6.5 metres

Marine works - Wharf repair works Repair works at Section 28 of the Port of Montreal. Barge on site. Minimum wake and wide berth requested.

Waterway information Shallower depths located at: Section 20 east: 10.7 metres, Section 20 west: 9.75 metres, Section 21: 9.14 metres.

Obstruction Underwater hydrophone antennas deployed 50 metres below the surface at: 48 53.046N 068 06.888W 48 47.871N 068 24.300W 48 53.261N 068 06.379W

Aids to Navigation Green buoy D33 temporarily established in 45 49.227N 080 43.112W due to low water levels.

Obstruction Barge and excavator partially submerged at 44 13.932N 076 20.874W.

Obstruction Subsurface scientific mooring temporarily established 20 metres below the surface at 48 22.494N 070 36.810W.

Aids to Navigation Green spar buoy N21 temporarily established in 44 32.276N 078 44.658W.

Aids to Navigation Temporarily removed.

Aids to Navigation Lighted fixed aid temporarily established at 53 07.577N 099 05.638W with flashing characteristics: Q W 1s.

Obstruction Subsurface scientific equipment placed 3 metres below the surface at 44 36.257N 079 22.179W

Marine works - Bridge Repair Repair work on the Windy Point Bridge in progress. Bridge clearance reduced by 2.4 metres. Buoys on scene.

Aids to Navigation Green spar buoy temporarily established in 44 48.668N 079 43.196W.

Waterway information Shallower depth located at: 48 24.939N 064 23.756W 0.8 metres

Waterway information Due to strong currents and low water levels, charted depths are unreliable in the Rainy River Navigation Channel. Caution.

Waterway information Due to low water levels, shallower depths than charted are reported within the navigation channel at Shoal Narrows, on the Georgian Bay Small Craft Route near Nares Inlet. Mariners are advised to use caution if operating in this waterway.

Waterway information Shallower depths located at: 50 16.343N 064 46.795W 1.3 metres 50 16.352N 064 46.793W 1.1 metres 50 16.363N 064 46.793W 1.4 metres 50 16.374N 064 46.793W 1.7 metres

Aids to Navigation Unreliable, daymark obstructed by foliage.

Aids to Navigation Missing

Aids to Navigation Temporarily moved to 45 01.384N 079 23.762W

Aids to Navigation Destroyed with rubble submerged in the vicinity of 46 15.452N 072 39.058W.

Aids to Navigation Synthetic Predicted AIS transmitter "Nicolet" temporarily established.

Waterway information Shallower depth located at: 46 24.178N 072 22.511W, 10.2 metres

Waterway information Shallower depth located at: 46 24.181N 072 22.757W, 10.3 metres

Waterway information Shallower depth located at: 46 24.279N 072 22.715W, 10.4 metres

Waterway information Shallower depth located at: 45 30.189N 073 32.846W, 10.2 metres

Waterway information Shallower depth located at: 45 30.436N 073 32.750W, 10 metres

Waterway information Shallower depth located at: 45 32.475N 073 31.973W, 10.6 metres

Waterway information Shallower depth located at: 45 30.965N 073 32.575W, 10.3 metres

Waterway information Shallower depth located at: 45 32.710N 073 31.848W, 9.6 metres

Waterway information Shallower depth located at: 45 30.898N 073 32.565W, 9.9 metres

Waterway information Shallower depth located at: 45 30.545N 073 32.617W, 9.8 metres

Waterway information Shallower depth located at: 45 30.750N 073 32.603W, 10.4 metres

Waterway information Shallower depth located at: 45 32.052N 073 32.032W, 10.5 metres

Waterway information Shallower depth located at: 45 30.148N 073 32.718W, 10.2 metres

Waterway information Shallower depth located at: 45 30.178N 073 32.698W, 9.5 metres

Waterway information Shallower depth located at: 45 30.772N 073 32.585W, 9.3 metres

Waterway information Shallower depth located at: 45 30.918N 073 32.587W, 10.2 metres

Waterway information Shallower depth located at: 45 30.232N 073 32.727W, 10.5 metres

Waterway information Shallower depth located at: 45 30.170N 073 32.733W, 10.4 metres

Waterway information Shallower depths located at: 43 51.988N 078 49.594W, 1.8 metres 43 51.983N 078 49.561W, 2.7 metres 43 51.960N 078 49.564W, 2.8 metres 43 51.966N 078 49.548W, 3.7 metres 43 51.982N 078 49.534W, 3.8 metres 43 52.006N 078 49.605W, 1.1 metres 43 52.002N 078 49.594W, 1.3 metres 43 51.816N 078 49.375W, 1.5 metres 43 51.997N 078 49.581W, 1.6 metres 43 52.030N 078 49.598W, 1.6 metres

Waterway information Shallower depths located at: 48 21.364N 089 13.181W, 1.5 metres 48 21.376N 089 13.219W, 1.4 metres 48 21.387N 089 13.245W, 1.3 metres 48 21.406N 089 13.275W, 1.0 metre

Waterway information - Shallow areas Private yellow buoys placed to mark shallow areas.

Aids to Navigation Unlit

Obstruction Scientific equipment at 48 53.106N 068 06.678W at a depth of 300 metres.

Aids to Navigation Unlit

Waterway information - Calculation of under-keel clearance Canadian Coast Guard Marine Communications and Traffic Services have been using all Canadian Hydrographic Service water-level stations for the calculation of passage authorizations in the Sorel–Montreal sector of the navigational waterway, namely Sorel, Contrecoeur, Varennes, Montreal-Frontenac and Montreal-Jetty No. 1. In light of the particular features of the navigational waterway in the portion between buoys M84 (downstream of the municipality of Verchères) and M11 (downstream of the Bellmouth curve), it was agreed to adjust upward the available water column by 10 cm in this portion. The minimum water column in this portion of the navigational waterway as per the Contrecœur hydrographic station, obtained after adjustment, will be used for the calculation of under-keel clearance.

Waterway information - Calculation of under-keel clearance Canadian Coast Guard Marine Communications and Traffic Services have been using all Canadian Hydrographic Service water-level stations for the calculation of passage authorizations in the Sorel–Montreal sector of the navigational waterway, namely Sorel, Contrecoeur, Varennes, Montreal-Frontenac and Montreal-Jetty No. 1. In light of the particular features of the navigational waterway in the portion between buoys M84 (downstream of the municipality of Verchères) and M157 (opposite to the Port of Montreal, section 109) as well as the No. 1 Anchorage Pointe-aux-Tremble, it was agreed to adjust upward the available water column by 10 cm in this portion. The minimum water column in this portion of the navigational waterway as per the Varennes hydrographic station, obtained after adjustment, will be used for the calculation of under-keel clearance. Monthly Notice to Mariners Eastern Edition 08/22 refers.

MCTS VHF Services Les Escoumins MCTS. VHF DF located at Havre St-Pierre inoperative 172030 UTC Nov 2020.

MCTS VHF Services Les Escoumins MCTS. VHF DF located at Mont-Louis inoperative 061430 UTC Jul 2023.

MCTS VHF Services Les Escoumins MCTS. VHF DF located at Grosses-Roches inoperative 231540 UTC Sep 2021.

MCTS VHF Services Les Escoumins MCTS. VHF DF located at Rivière-au-Renard inoperative 030830 UTC Aug 2020.

MCTS VHF Services Les Escoumins MCTS. All VHF DF services located at Cap-aux-Meules operating intermittently 231158 UTC Dec 2022.

Obstruction Subsurface scientific mooring temporarily established 20 metres below the surface at 48 25.050N 070 46.158W.

Obstruction Subsurface scientific mooring temporarily established 20 metres below the surface at 48 21.102N 070 47.762W.

Obstruction Subsurface scientific mooring temporarily established 20 metres below the surface at 48 17.868N 070 14.640W.

Obstruction Subsurface scientific mooring temporarily established 20 metres below the surface at 48 09.912N 069 51.564W.

Obstruction Subsurface scientific mooring temporarily established 20 metres below the surface at 48 08.976N 069 47.364W.

Obstruction Subsurface scientific mooring permanently relocated at 49 16.950N 067 38.900W. Mooring is 20 metres below the surface.

Obstruction Subsurface scientific mooring established 20 metres below the surface at 49 00.200N 068 25.530W.

Obstruction - Jug Blue plastic jug marking the shipwreck "Wexford" at 43 24.03N 081 53.30W.

Aids to Navigation Unreliable, daymark partially obstructed.

Aids to Navigation Destroyed

Obstruction Damaged dock with submerged rubble reported at section 24 of the Port of Thunder Bay

Waterway information - Silting Due to silting and low water levels in the Ruscom River 'XK' entrance channel, depths may be less than charted. Chart NOAA 14850 Note F refers.

Waterway information Shallower depth located at: 48 41.180N 086 59.512W, 5.4 metres

Obstruction - Pier Submerged pier located at: 45-14.58N 074-10.34W, 0.3 metres 45-14.57N 074-10.37W, 0.3 metres 45-14.52N 074-10.37W, 0.2 metres

Waterway information Shallower depth located in an area bounded by: 43 06.713N 079 11.877W 43 06.776N 079 11.855W 43 06.775N 079 11.852W 43 06.726N 079 11.864W Least depth 7.8 metres.

Waterway information Shallower depth located in an area bounded by: 42 54.407N 079 14.697W 42 54.412N 079 14.689W 42 54.426N 079 14.683W 42 54.430N 079 14.683W 42 54.414N 079 14.700W Least depth 7.4 metres.

Aids to Navigation RACON out of service

Marine works - Dredging Operations Construction operations taking place 24 hours a day at Polson Slip. Unauthorized entry prohibited.