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

Warnings

 

Lake St Clair - 45147

09:00 PM EDT 20 July 2026Buoy position: 42.43N 82.68W
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)
20 July 2026
21:00 SSW 13 gusts 16 0.42 2.9 100.8 25 24
20:00 SSW 15 gusts 18 0.43 2.7 100.8 25 24
19:00 N/A N/A N/A N/A N/A N/A
18:00 SW 11 gusts 13 0.37 2.7 101.0 25 24
17:00 SW 12 gusts 15 0.39 2.6 101.1 25 24
16:00 SW 11 gusts 13 0.31 2.3 101.2 25 24
15:00 N/A N/A N/A N/A N/A N/A
14:00 SW 3 gusts 5 0.07 2.0 101.3 24 25
13:00 S 1 gusts 2 0.08 1.9 101.4 26 25
12:00 NW 2 gusts 3 0.10 2.5 101.4 23 24
11:00 SW 2 gusts 3 0.10 1.9 101.4 23 24
10:00 N/A N/A N/A N/A N/A N/A
9:00 W 2 gusts 3 0.10 1.9 101.5 21 24
8:00 WNW 3 gusts 4 0.12 1.9 101.5 22 23
7:00 SW 2 gusts 4 0.12 1.8 101.4 22 23
6:00 SSW 5 gusts 6 0.12 1.9 101.5 22 24
5:00 S 5 gusts 6 0.12 1.9 101.4 22 24
4:00 N/A N/A N/A N/A N/A N/A
3:00 SSE 4 gusts 6 0.14 2.0 101.5 22 24
2:00 ESE 4 gusts 6 0.19 2.2 101.5 22 24
1:00 ESE 6 gusts 8 0.25 2.3 101.6 22 24
0:00 E 9 gusts 10 0.29 2.5 101.6 21 24
19 July 2026
23:00 ENE 10 gusts 11 0.35 2.5 101.6 21 24
22:00 ENE 12 gusts 14 0.40 2.6 101.6 21 24
21:00 NE 14 gusts 16 0.41 2.7 101.5 22 24

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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