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Lake St. Clair: Past 24 Hour Conditions

Warnings

 

Georgian Bay - 45137

08:00 PM EDT 21 July 2026Buoy position: 45.55N 81.0W
Disclaimer

This table is a summary of hourly weather conditions for the past 24 hours.
Please note that these observations might not always be representative of weather conditions over their associated marine area.
Date / Time
(EDT)		 Wind(knots) Wave height(m) Wave period(s) Pressure(kPa) Air temp(°C) Water temp(°C)
21 July 2026
20:00 WNW 21 gusts 25 1.13 4.7 100.0 18 18
19:00 W 17 gusts 21 1.04 4.4 99.9 19 18
18:00 W 16 gusts 20 0.90 4.0 99.8 19 18
17:00 W 15 gusts 19 0.70 4.2 99.8 19 18
16:00 W 12 gusts 15 0.67 3.8 99.8 19 18
15:00 W 15 gusts 17 0.75 4.1 99.8 19 18
14:00 W 15 gusts 17 0.82 3.8 99.8 19 18
13:00 W 15 gusts 18 0.84 3.9 99.8 18 18
12:00 WSW 16 gusts 19 0.82 5.3 99.9 19 19
11:00 SW 13 gusts 15 0.92 5.1 99.8 20 19
10:00 WSW 13 gusts 17 1.09 5.4 99.8 20 19
9:00 WSW 15 gusts 18 1.32 5.4 99.8 19 19
8:00 WSW 19 gusts 22 1.15 5.1 99.8 19 19
7:00 SW 15 gusts 18 1.28 4.8 99.8 20 19
6:00 SSW 19 gusts 25 1.13 4.9 99.8 20 19
5:00 S 19 gusts 24 1.22 4.8 99.8 20 19
4:00 S 23 gusts 28 1.24 4.2 99.9 20 19
3:00 S 22 gusts 25 1.00 4.2 100.0 20 19
2:00 S 18 gusts 22 0.89 3.9 100.2 19 19
1:00 S 14 gusts 17 0.67 3.5 100.4 20 19
0:00 SSE 13 gusts 16 0.66 3.4 100.4 20 19
20 July 2026
23:00 SSE 13 gusts 15 0.62 3.4 100.4 20 19
22:00 S 14 gusts 17 0.68 3.9 100.5 21 19
21:00 S 12 gusts 15 0.70 3.9 100.6 21 19
20:00 S 11 gusts 13 0.74 3.9 100.6 20 19

If you require additional historical weather information please visit Fisheries and Oceans Canada

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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