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Great Lakes - Lake Erie and Lake Ontario: Past 24 Hour Conditions

Warnings

 

Georgian Bay - 45137

01:00 AM EDT 11 July 2026Buoy position: 45.55N 81.0W
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)
11 July 2026
1:00 NE 9 gusts 10 0.10 2.1 101.6 22 21
0:00 N 6 gusts 6 0.11 2.1 101.6 22 21
10 July 2026
23:00 NW 8 gusts 8 0.11 2.4 101.6 22 21
22:00 NW 8 gusts 9 0.14 2.4 101.5 22 21
21:00 NW 7 gusts 8 0.15 2.3 101.4 22 22
20:00 NW 6 gusts 7 0.20 2.4 101.4 23 22
19:00 WNW 8 gusts 9 0.22 2.2 101.4 23 22
18:00 WNW 10 gusts 11 0.18 1.9 101.4 22 22
17:00 W 8 gusts 10 0.07 1.7 101.4 23 23
16:00 W 6 gusts 8 0.05 1.8 101.4 23 23
15:00 W 5 gusts 6 0.04 1.6 101.4 22 22
14:00 WNW 5 gusts 6 0.05 3.9 101.4 21 22
13:00 WNW 5 gusts 6 0.05 1.6 101.4 21 22
12:00 NNW 6 gusts 8 0.04 2.4 101.5 21 22
11:00 NW 5 gusts 5 0.04 2.4 101.4 20 22
10:00 NW 3 gusts 4 0.04 2.0 101.4 20 21
9:00 NNW 1 gusts 3 0.05 2.0 101.3 21 21
8:00 NNE 3 gusts 4 0.05 2.2 101.3 19 21
7:00 NW 3 gusts 4 0.05 1.9 101.3 20 21
6:00 NNW 2 gusts 3 0.05 2.0 101.2 20 21
5:00 N 2 gusts 2 0.07 1.9 101.2 20 21
4:00 NNW 2 gusts 3 0.09 1.8 101.2 20 21
3:00 NW 2 gusts 3 0.11 2.0 101.2 20 21
2:00 N 9 gusts 11 0.10 1.8 101.1 20 21
1:00 NNW 8 gusts 9 0.03 3.1 101.2 20 21

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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