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

Warnings

 

South Georgian Bay - 45143

11:00 AM EDT 18 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)
18 May 2026
11:00 SE 9 gusts 10 0.17 2.9 101.4 9 3
10:00 SSE 8 gusts 9 0.21 3.1 101.4 7 3
9:00 SSE 8 gusts 9 0.27 3.0 101.5 6 3
8:00 ESE 9 gusts 10 0.29 3.3 101.5 7 3
7:00 E 8 gusts 9 0.36 3.3 101.5 7 3
6:00 ENE 10 gusts 12 0.23 2.3 101.5 7 3
5:00 SSE 6 gusts 8 0.22 2.3 101.4 6 3
4:00 ESE 12 gusts 14 0.23 2.3 101.4 7 3
3:00 ESE 11 gusts 15 0.19 2.1 101.4 7 3
2:00 E 8 gusts 10 0.17 2.4 101.5 6 3
1:00 E 10 gusts 13 0.18 2.4 101.6 7 3
0:00 NE 8 gusts 9 0.23 2.4 101.7 7 3
17 May 2026
23:00 NE 11 gusts 12 0.25 2.4 101.7 7 3
22:00 NNE 12 gusts 14 0.17 2.4 101.8 8 3
21:00 NNW 9 gusts 12 0.16 2.2 101.8 8 3
20:00 E 4 gusts 6 0.17 2.1 101.7 7 3
19:00 NNE 9 gusts 10 0.16 2.0 101.7 7 3
18:00 NNE 11 gusts 11 0.06 2.8 101.7 7 3
17:00 NNE 6 gusts 8 0.04 2.2 101.8 7 3
16:00 N 6 gusts 8 0.05 2.2 101.8 7 3
15:00 N 5 gusts 6 0.06 2.3 101.8 6 3
14:00 N 8 gusts 9 0.07 2.5 101.8 6 3
13:00 N 8 gusts 9 0.08 2.4 101.9 5 3
12:00 NW 8 gusts 8 0.05 2.1 101.9 4 3
11:00 W 6 gusts 7 0.05 3.7 101.8 5 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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