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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

Lake St Clair - 45147

09:00 AM EDT 18 July 2025Buoy position: 42.43N 82.68W
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 2025
9:00 E 14 gusts 17 0.42 2.8 102.2 17 23
8:00 E 13 gusts 18 0.41 2.9 102.2 18 23
7:00 E 15 gusts 19 0.44 2.9 102.1 17 23
6:00 E 16 gusts 19 0.47 2.8 102.1 18 23
5:00 ENE 14 gusts 17 0.37 2.4 102.0 18 23
4:00 ENE 11 gusts 17 0.24 1.9 102.0 18 23
3:00 NNE 10 gusts 12 0.25 2.5 102.0 18 23
2:00 NNE 10 gusts 12 0.33 2.4 102.0 18 23
1:00 NNE 11 gusts 14 0.38 2.7 101.9 18 23
0:00 NNE 16 gusts 20 0.50 2.9 101.9 18 23
17 July 2025
23:00 NNE 16 gusts 19 0.51 2.7 101.9 19 23
22:00 NE 16 gusts 19 0.54 2.9 101.9 19 23
21:00 NE 16 gusts 19 0.42 2.4 101.8 20 23
20:00 N 13 gusts 17 0.33 2.8 101.6 23 23
19:00 NW 12 gusts 16 0.43 2.7 101.5 23 23
18:00 NW 13 gusts 15 0.40 2.8 101.5 24 23
17:00 NNW 11 gusts 13 0.37 2.7 101.4 24 23
16:00 NW 12 gusts 15 0.36 2.8 101.4 24 23
15:00 NW 12 gusts 15 0.35 2.6 101.4 24 23
14:00 WNW 9 gusts 12 0.36 2.7 101.3 24 23
13:00 W 11 gusts 13 0.43 2.9 101.3 23 23
12:00 WNW 17 gusts 19 0.56 3.3 101.3 22 23
11:00 WNW 19 gusts 23 0.55 3.1 101.2 23 23
10:00 W 22 gusts 26 0.62 3.4 101.1 22 23
9:00 W 21 gusts 26 0.76 N/A 100.9 22 23

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

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