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Northern Georgian Bay: Past 24 Hour Conditions

Warnings

 

South Georgian Bay - 45143

04:00 AM EDT 21 May 2026Buoy position: 44.95N 80.63W
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)
21 May 2026
4:00 NNE 13 gusts 15 0.43 2.3 102.8 5 3
3:00 NNE 12 gusts 13 0.35 3.7 102.7 5 3
2:00 NNW 10 gusts 12 0.42 4.1 102.6 5 3
1:00 NW 10 gusts 12 0.43 4.2 102.6 4 3
0:00 WNW 9 gusts 11 0.41 4.3 102.6 5 3
20 May 2026
23:00 WSW 7 gusts 8 0.46 4.3 102.6 4 3
22:00 WNW 7 gusts 8 0.49 4.4 102.6 5 3
21:00 NW 10 gusts 11 0.54 4.3 102.4 5 3
20:00 NW 11 gusts 12 0.51 4.1 102.4 5 3
19:00 NW 11 gusts 12 0.51 4.0 102.4 5 3
18:00 NW 9 gusts 10 0.51 4.0 102.4 5 3
17:00 NW 9 gusts 10 0.48 3.8 102.3 5 3
16:00 NW 11 gusts 12 0.48 4.3 102.3 4 3
15:00 NW 10 gusts 11 0.46 4.3 102.3 4 3
14:00 WNW 9 gusts 11 0.56 4.5 102.3 5 3
13:00 NW 10 gusts 12 0.73 4.7 102.3 5 3
12:00 NW 11 gusts 13 0.75 4.7 102.3 5 3
11:00 NW 14 gusts 16 0.83 4.8 102.2 4 3
10:00 NW 16 gusts 18 0.85 4.9 102.1 5 3
9:00 WNW 13 gusts 16 0.86 4.5 102.1 5 3
8:00 WNW 13 gusts 15 0.85 4.9 102.0 5 3
7:00 WNW 14 gusts 16 0.98 4.8 101.9 5 3
6:00 WNW 16 gusts 20 1.06 5.1 101.8 5 3
5:00 WNW 19 gusts 23 0.97 4.3 101.7 5 3
4:00 W 16 gusts 19 0.80 4.4 101.7 6 3

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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