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

Warnings

 

Harrow AAFC

12:00 PM EDT 09 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)
09 May 2026
12:00 SSW 12 gusts 18 N/A N/A 100.4 16 87 13
11:00 SW 11 gusts 19 N/A N/A 100.5 15 97 14
10:00 SW 10 gusts 16 N/A N/A 100.6 13 100 13
9:00 SW 9 gusts 16 N/A N/A 100.6 12 100 12
8:00 WSW 6 gusts 15 N/A N/A 100.6 12 100 12
7:00 WSW 9 N/A N/A 100.6 12 100 12
6:00 SW 8 N/A N/A 100.6 12 100 12
5:00 SW 6 N/A N/A 100.6 12 100 12
4:00 SW 5 N/A N/A 100.6 11 100 11
3:00 SW 5 N/A N/A 100.7 11 100 11
2:00 SW 7 N/A N/A 100.7 12 100 12
1:00 WSW 5 N/A N/A 100.7 12 100 12
0:00 WSW 8 N/A N/A 100.8 12 100 12
08 May 2026
23:00 SW 6 N/A N/A 100.8 12 100 12
22:00 SW 5 N/A N/A 100.8 12 100 12
21:00 SSW 8 N/A N/A 100.8 12 100 12
20:00 SSW 9 gusts 15 N/A N/A 100.8 13 92 12
19:00 SSW 11 gusts 17 N/A N/A 100.8 14 76 10
18:00 SSW 7 gusts 18 N/A N/A 100.8 15 74 11
17:00 SSE 11 N/A N/A 100.8 14 78 10
16:00 SSE 9 N/A N/A 100.9 14 72 9
15:00 S 11 N/A N/A 101.0 15 65 8
14:00 S 8 N/A N/A 101.1 14 57 5
13:00 S 10 N/A N/A 101.2 14 62 6
12:00 SSW 8 N/A N/A 101.2 13 65 7

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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