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

Warnings

 

Lake Simcoe Regional Airport

08:00 AM EDT 10 May 2026
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) Conditions Visibility(km) Pressure(kPa) Air temp(°C) Relative humidity(%) Dew point(°C)
10 May 2026
8:00 WNW 13 gusts 18 N/A N/A 101.3 4 81 1
7:00 WNW 10 N/A N/A 101.2 3 84 1
6:00 WNW 9 N/A N/A 101.1 2 83 0
5:00 W 5 N/A N/A 101.0 2 83 -1
4:00 W 9 N/A N/A 100.9 3 77 0
3:00 W 8 N/A N/A 100.9 3 82 1
2:00 WNW 9 N/A N/A 100.8 4 77 0
1:00 WSW 6 N/A N/A 100.8 5 76 1
0:00 WSW 4 N/A N/A 100.7 5 81 2
09 May 2026
23:00 W 4 N/A N/A 100.7 5 91 4
22:00 W 5 N/A N/A 100.6 7 84 4
21:00 WNW 9 N/A N/A 100.4 9 84 6
20:00 WSW 4 N/A N/A 100.3 11 91 10
19:00 SSW 4 N/A N/A 100.3 11 95 10
18:00 WSW 5 gusts 16 N/A N/A 100.3 10 97 9
17:00 S 10 N/A N/A 100.2 13 81 10
16:00 S 17 gusts 26 N/A N/A 100.1 16 61 8
15:00 SSE 15 gusts 21 N/A N/A 100.2 15 65 8
14:00 S 11 gusts 22 N/A N/A 100.3 15 65 8
13:00 SSE 14 N/A N/A 100.4 15 65 8
12:00 S 12 gusts 17 N/A N/A 100.5 14 65 8
11:00 SSE 11 gusts 16 N/A N/A 100.5 13 69 8
10:00 S 8 N/A N/A 100.6 13 64 6
9:00 SE 6 N/A N/A 100.6 11 65 5
8:00 S 5 N/A N/A 100.6 8 71 3

If you require additional historical weather information, please visit Climate Data Online

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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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