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

Warnings

 

Grenadier Island

10:00 PM EDT 15 March 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) Wind Chill
15 March 2026
22:00 N/A N/A N/A N/A N/A N/A N/A *
21:00 N/A N/A N/A N/A N/A N/A N/A *
20:00 N/A N/A N/A N/A N/A N/A N/A *
19:00 SSE 9 N/A N/A 101.6 5 43 -6 *
18:00 ENE 7 N/A N/A 101.8 1 66 -4 *
17:00 NE 8 gusts 15 N/A N/A 101.9 2 66 -4 *
16:00 ENE 9 gusts 15 N/A N/A 102.0 2 63 -4 *
15:00 ENE 6 N/A N/A 102.2 1 63 -5 *
14:00 ENE 8 N/A N/A 102.4 0 68 -6 -5
13:00 ENE 5 N/A N/A 102.6 -1 73 -5 -4
12:00 E 4 N/A N/A 102.8 -1 72 -5 -3
11:00 ENE 6 N/A N/A 102.9 -2 73 -6 -6
10:00 SSE 2 N/A N/A 103.0 -2 74 -6 -3
9:00 E 3 N/A N/A 103.1 -4 82 -6 -6
8:00 SE 2 N/A N/A 103.1 -4 82 -7 -6
7:00 ESE 2 N/A N/A 103.0 -4 83 -7 -6
6:00 NE 2 N/A N/A 103.0 -4 81 -7 -6
5:00 ENE 1 N/A N/A 103.0 -5 78 -8 -6
4:00 NW 1 N/A N/A 103.0 -5 77 -8 -6
3:00 SW 1 N/A N/A 102.9 -4 70 -9 -5
2:00 calm N/A N/A 102.9 -4 72 -9 *
1:00 calm N/A N/A 102.9 -4 72 -9 *
0:00 calm N/A N/A 102.8 -5 74 -9 *
14 March 2026
23:00 calm N/A N/A 102.8 -4 75 -8 *
22:00 NW 2 N/A N/A 102.7 -2 71 -7 -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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