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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

South Lake Huron - 45149

12:00 AM EDT 23 May 2026Buoy position: 43.55N 82.08W
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)
23 May 2026
0:00 E 10 gusts 11 0.40 3.0 102.2 9 5
22 May 2026
23:00 E 9 gusts 10 0.42 3.1 102.3 9 5
22:00 ENE 11 gusts 12 0.42 3.1 102.3 10 5
21:00 E 10 gusts 12 0.39 3.1 102.3 10 5
20:00 E 7 gusts 8 0.39 3.3 102.3 9 5
19:00 E 7 gusts 8 0.43 3.4 102.3 10 5
18:00 E 8 gusts 9 0.43 3.2 102.3 11 5
17:00 ENE 6 gusts 8 0.40 3.2 102.3 9 5
16:00 ENE 8 gusts 10 0.43 3.4 102.4 10 5
15:00 NE 8 gusts 10 0.48 3.6 102.5 9 5
14:00 NE 7 gusts 8 0.51 3.8 102.5 9 5
13:00 ENE 8 gusts 10 0.57 3.9 102.6 9 5
12:00 E 9 gusts 10 0.61 3.9 102.6 9 5
11:00 ESE 10 gusts 12 0.64 3.7 102.7 9 4
10:00 E 8 gusts 8 0.59 4.0 102.8 8 4
9:00 ESE 7 gusts 8 0.46 3.1 102.8 8 4
8:00 E 10 gusts 11 0.33 2.7 102.8 8 4
7:00 ENE 9 gusts 11 0.33 2.8 102.7 8 4
6:00 ENE 8 gusts 8 0.29 3.4 102.7 7 4
5:00 NE 8 gusts 10 0.28 3.6 102.7 7 4
4:00 NE 7 gusts 8 0.33 3.4 102.7 7 4
3:00 NE 7 gusts 8 0.37 3.6 102.7 7 4
2:00 ENE 8 gusts 8 0.47 3.8 102.7 7 4
1:00 ENE 8 gusts 9 0.52 4.0 102.7 7 4
0:00 NE 9 gusts 10 0.67 4.3 102.7 6 4

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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