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Lake St. Clair: Past 24 Hour Conditions

Warnings

 

South Georgian Bay - 45143

05:00 PM EDT 18 July 2026Buoy position: 44.95N 80.63W
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)
18 July 2026
17:00 NW 21 gusts 25 1.39 5.1 100.5 20 21
16:00 WNW 17 gusts 21 1.26 5.6 100.4 21 21
15:00 WNW 17 gusts 21 1.33 5.3 100.3 21 21
14:00 NW 17 gusts 21 0.86 4.0 100.3 22 21
13:00 WNW 15 gusts 17 0.97 3.8 100.3 22 21
12:00 W 21 gusts 26 0.95 3.6 100.2 23 21
11:00 WSW 16 gusts 19 0.77 3.6 100.2 22 20
10:00 SW 16 gusts 19 0.75 4.2 100.3 21 20
9:00 WSW 16 gusts 21 0.68 3.8 100.4 21 20
8:00 WSW 18 gusts 22 0.62 3.0 100.4 21 21
7:00 SSW 15 gusts 18 0.60 3.3 100.5 21 21
6:00 SW 12 gusts 15 0.59 3.2 100.6 21 21
5:00 WSW 15 gusts 19 0.47 2.3 100.7 21 22
4:00 SSW 15 gusts 18 0.38 2.6 100.8 22 22
3:00 SSE 14 gusts 16 0.40 2.6 100.8 22 22
2:00 SSE 17 gusts 23 0.34 2.5 101.0 21 22
1:00 ESE 14 gusts 16 0.16 2.0 101.1 22 22
0:00 SE 9 gusts 11 0.06 2.2 101.3 21 22
17 July 2026
23:00 NNE 7 gusts 9 0.10 2.3 101.4 21 22
22:00 NNE 5 gusts 6 0.13 2.4 101.4 21 22
21:00 WSW 6 gusts 9 0.20 2.5 101.4 22 22
20:00 S 8 gusts 9 0.28 2.7 101.4 22 22
19:00 SW 6 gusts 8 0.29 2.5 101.5 22 22
18:00 WSW 9 gusts 11 0.12 2.6 101.6 22 22
17:00 S 4 gusts 5 0.16 2.7 101.7 22 22

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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