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

Warnings

 

Egbert

01:00 AM EDT 21 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)
21 May 2026
1:00 NW 3 N/A N/A 102.6 5 89 3
0:00 NNW 4 N/A N/A 102.5 5 85 3
20 May 2026
23:00 NNW 5 N/A N/A 102.5 6 82 3
22:00 NW 3 N/A N/A 102.5 7 76 3
21:00 N 5 N/A N/A 102.4 8 69 2
20:00 NNW 7 gusts 16 N/A N/A 102.3 9 62 2
19:00 NNW 10 gusts 16 N/A N/A 102.3 10 60 2
18:00 NNW 10 gusts 18 N/A N/A 102.2 10 64 4
17:00 NNW 9 gusts 16 N/A N/A 102.2 10 66 4
16:00 NW 7 gusts 15 N/A N/A 102.2 10 64 4
15:00 NW 8 gusts 17 N/A N/A 102.2 10 62 3
14:00 NNW 9 gusts 20 N/A N/A 102.1 11 61 3
13:00 NNW 10 gusts 17 N/A N/A 102.1 10 59 3
12:00 NW 11 gusts 17 N/A N/A 102.1 10 55 1
11:00 NNW 15 gusts 21 N/A N/A 102.0 10 52 1
10:00 NNW 15 gusts 20 N/A N/A 101.9 10 50 0
9:00 NW 17 gusts 25 N/A N/A 101.9 9 49 -1
8:00 NNW 10 gusts 20 N/A N/A 101.9 9 60 2
7:00 NW 7 gusts 16 N/A N/A 101.8 8 65 2
6:00 NNW 11 gusts 19 N/A N/A 101.7 9 69 3
5:00 NW 9 N/A N/A 101.6 10 72 6
4:00 NNW 6 N/A N/A 101.6 10 71 5
3:00 NW 9 gusts 17 N/A N/A 101.6 12 73 7
2:00 NW 8 gusts 15 N/A N/A 101.5 15 93 14
1:00 NNW 8 N/A N/A 101.3 15 94 14

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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