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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

Grimsby - 45139

01:00 PM EDT 10 June 2026Buoy position: 43.27N 79.54W
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)
10 June 2026
13:00 SSW 10 gusts 11 0.19 2.2 100.8 21 14
12:00 SSW 12 gusts 13 0.22 4.2 100.8 20 14
11:00 SSW 9 gusts 11 0.06 1.6 100.8 20 14
10:00 SW 7 gusts 8 0.06 1.8 100.8 20 14
9:00 SW 9 gusts 10 0.06 1.7 100.9 20 14
8:00 SSW 9 gusts 11 0.14 1.8 100.8 20 14
7:00 SW 9 gusts 10 0.22 2.3 100.8 20 14
6:00 SSW 8 gusts 10 0.07 2.1 100.8 21 14
5:00 NE 6 gusts 8 0.09 1.9 100.9 15 14
4:00 W 10 gusts 13 0.06 2.4 101.0 19 14
3:00 ENE 4 gusts 5 0.09 2.3 101.0 15 14
2:00 NNW 2 gusts 3 0.10 2.6 101.0 15 14
1:00 NNW 4 gusts 5 0.10 2.6 101.0 15 14
0:00 W 3 gusts 4 0.11 2.7 101.1 15 14
09 June 2026
23:00 SSW 3 gusts 3 0.11 2.6 101.2 15 14
22:00 WNW 1 gusts 2 0.10 2.4 101.2 14 14
21:00 WNW 5 gusts 5 0.09 2.5 101.3 15 14
20:00 NW 4 gusts 5 0.09 2.3 101.3 15 14
19:00 NNW 4 gusts 5 0.07 2.4 101.3 15 14
18:00 N 3 gusts 4 0.06 1.9 101.4 15 15
17:00 N 5 gusts 6 0.07 2.0 101.5 15 15
16:00 N 4 gusts 5 0.06 2.3 101.6 15 15
15:00 NNE 4 gusts 5 0.07 3.1 101.6 15 14
14:00 N 1 gusts 3 0.07 3.3 101.7 15 14
13:00 E 2 gusts 3 0.08 2.6 101.8 15 14

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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