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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

Grimsby - 45139

02:00 AM EDT 30 April 2025Buoy position: 43.27N 79.54W
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)
30 April 2025
2:00 NW 10 gusts 12 0.48 3.4 101.9 6 4
1:00 NW 8 gusts 11 0.65 3.5 101.8 6 5
0:00 NW 16 gusts 20 0.75 3.8 101.6 6 5
29 April 2025
23:00 WNW 17 gusts 22 0.89 3.9 101.5 7 5
22:00 NW 21 gusts 25 0.78 3.8 101.3 9 5
21:00 NW 15 gusts 17 0.66 3.5 101.2 10 5
20:00 NW 16 gusts 21 0.54 3.4 100.9 12 5
19:00 W 19 gusts 22 0.79 3.8 100.5 18 N/A
18:00 WSW 21 gusts 30 1.05 4.3 100.3 19 N/A
17:00 WSW 30 gusts 41 1.06 4.0 100.3 22 N/A
16:00 WSW 23 gusts 29 1.07 4.1 100.5 20 N/A
15:00 WSW 24 gusts 32 0.82 3.4 100.6 20 N/A
14:00 SW 22 gusts 27 0.71 3.0 100.6 19 N/A
13:00 SW 19 gusts 23 0.65 3.1 100.7 18 N/A
12:00 SW 24 gusts 31 0.66 3.4 100.8 19 N/A
11:00 SW 24 gusts 29 0.76 3.6 100.9 18 N/A
10:00 SW 20 gusts 24 0.65 3.2 100.9 17 N/A
9:00 SSW 19 gusts 23 0.59 3.0 100.9 16 N/A
8:00 SSW 21 gusts 26 0.58 3.0 101.0 16 N/A
7:00 SSW 21 gusts 28 0.55 3.0 101.0 16 N/A
6:00 SSW 17 gusts 21 0.48 2.9 101.2 15 5
5:00 SSW 13 gusts 17 0.38 2.9 101.2 14 5
4:00 SSW 3 gusts 5 0.11 2.8 101.4 10 5
3:00 ENE 3 gusts 3 0.12 3.0 101.4 5 5
2:00 N 3 gusts 4 0.16 3.2 101.6 5 5

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 Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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