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Eastern Lake Ontario: Past 24 Hour Conditions

Warnings

 

Grimsby - 45139

01:00 AM EDT 02 July 2025Buoy 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)
02 July 2025
1:00 W 5 gusts 7 0.06 2.6 101.1 21 19
0:00 W 6 gusts 6 0.07 2.0 101.1 21 19
01 July 2025
23:00 W 5 gusts 6 0.12 2.1 101.1 21 19
22:00 WNW 6 gusts 7 0.20 2.4 101.0 22 19
21:00 NW 10 gusts 12 0.31 2.5 101.0 22 19
20:00 NW 12 gusts 13 0.34 2.8 100.9 23 19
19:00 WNW 10 gusts 12 0.26 2.5 100.8 23 20
18:00 WNW 11 gusts 13 0.26 2.4 100.8 24 20
17:00 WNW 10 gusts 11 0.17 2.3 100.8 24 20
16:00 WNW 9 gusts 11 0.16 2.2 100.8 25 20
15:00 WNW 8 gusts 9 0.09 1.9 100.8 24 20
14:00 W 4 gusts 5 0.06 1.8 100.9 24 21
13:00 NW 4 gusts 5 0.07 1.8 100.9 23 20
12:00 W 3 gusts 5 0.08 2.0 100.9 23 19
11:00 SW 7 gusts 8 0.04 1.8 100.9 22 19
10:00 W 4 gusts 5 0.04 4.1 100.9 22 19
9:00 W 6 gusts 7 0.04 4.2 100.9 21 19
8:00 WSW 6 gusts 8 0.05 2.8 100.9 21 19
7:00 W 7 gusts 8 0.05 2.6 100.8 21 18
6:00 WSW 8 gusts 9 0.07 2.0 100.8 21 19
5:00 SW 6 gusts 6 0.06 2.5 100.8 21 19
4:00 W 5 gusts 7 0.08 2.7 100.8 21 19
3:00 WSW 7 gusts 8 0.10 2.8 100.7 21 19
2:00 WSW 4 gusts 5 0.11 2.9 100.7 20 19
1:00 W 5 gusts 6 0.11 2.8 100.8 20 19

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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