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Eastern Lake Ontario: Past 24 Hour Conditions

Warnings

 

Lake Simcoe - 45151

04:00 PM EDT 15 September 2026Buoy position: 44.5N 79.37W
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)
15 September 2026
16:00 S 17 gusts 21 0.67 3.4 102.0 20 20
15:00 S 17 gusts 21 0.55 3.0 102.1 20 20
14:00 SSE 13 gusts 16 0.50 2.9 102.1 18 20
13:00 SSE 15 gusts 19 0.56 3.1 102.2 17 20
12:00 SSE 17 gusts 20 0.64 3.0 102.3 17 20
11:00 SSE 17 gusts 20 0.59 2.9 102.3 16 20
10:00 SSW 15 gusts 17 0.53 2.8 102.4 17 20
9:00 S 14 gusts 17 0.45 2.7 102.3 16 20
8:00 S 13 gusts 17 0.51 2.9 102.4 16 20
7:00 S 15 gusts 19 0.60 3.2 102.4 16 20
6:00 SSE 19 gusts 22 0.61 3.2 102.4 16 20
5:00 SSE 17 gusts 20 0.54 3.0 102.4 16 20
4:00 SSE 16 gusts 20 0.49 3.0 102.4 17 20
3:00 SE 14 gusts 17 0.36 2.6 102.4 16 20
2:00 SSE 11 gusts 13 0.28 2.2 102.4 16 20
1:00 SSE 9 gusts 11 0.24 2.1 102.5 16 21
0:00 SE 8 gusts 10 0.01 2.0 102.5 16 21
14 September 2026
23:00 S 3 gusts 10 0.02 2.0 102.5 16 21
22:00 WNW 3 gusts 5 0.02 2.4 102.5 16 21
21:00 NW 4 gusts 5 0.03 2.4 102.5 16 21
20:00 N/A N/A N/A N/A N/A N/A
19:00 NNW 8 gusts 11 0.18 1.8 102.4 16 21
18:00 NNW 8 gusts 10 0.21 1.9 102.4 17 21
17:00 WNW 8 gusts 10 0.26 1.9 102.4 17 21
16:00 WNW 11 gusts 15 0.27 1.9 102.5 17 21

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 Hamilton Munro Int'l Airport CFB Trenton Erieau Toronto City Centre Airport Point Pelee Peterborough Municipal Airport Burlington Lift Bridge Point Petre Cobourg Oshawa Executive Airport South Lake Huron - 45149 Port Colborne Brockville 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 Windsor Airport Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Welland-Pelham Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Sarnia Chris Hadfield Airport Vineland Station Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Tobermory
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