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Lake Simcoe: Past 24 Hour Conditions

Warnings

 

Port Colborne - 45142

03:00 PM EDT 10 July 2026Buoy position: 42.74N 79.35W
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)
10 July 2026
15:00 N 2 gusts 3 0.19 4.3 101.2 25 26
14:00 NNW 2 gusts 3 0.19 4.2 101.2 25 25
13:00 NE 2 gusts 3 0.17 4.3 101.3 24 24
12:00 NE 5 gusts 6 0.16 4.0 101.2 23 24
11:00 NE 6 gusts 7 0.18 3.6 101.2 23 24
10:00 NE 7 gusts 8 0.20 3.4 101.2 23 23
9:00 NE 8 gusts 10 0.22 3.7 101.2 22 23
8:00 NNE 8 gusts 9 0.12 3.6 101.2 22 23
7:00 NNE 2 gusts 3 0.12 3.5 101.1 23 23
6:00 NNE 3 gusts 3 0.12 3.7 101.1 22 23
5:00 NE 3 gusts 4 0.14 3.6 101.1 23 23
4:00 ENE 3 gusts 5 0.16 3.5 101.0 22 23
3:00 E 4 gusts 5 0.22 3.6 101.0 22 23
2:00 NE 6 gusts 8 0.27 3.6 101.0 22 23
1:00 N 3 gusts 5 0.31 3.4 101.0 23 23
0:00 SW 6 gusts 8 0.34 3.7 101.0 23 23
09 July 2026
23:00 SSW 10 gusts 11 0.31 3.5 101.0 23 23
22:00 SSW 12 gusts 14 0.31 3.5 101.0 23 23
21:00 SW 8 gusts 10 0.31 3.7 101.0 23 23
20:00 WSW 10 gusts 12 0.39 3.8 101.1 22 24
19:00 NNW 3 gusts 5 0.44 3.7 101.0 22 24
18:00 WNW 9 gusts 13 0.47 4.0 101.1 24 24
17:00 N 10 gusts 13 0.48 3.8 101.0 23 24
16:00 WSW 12 gusts 15 0.50 3.4 101.0 25 24
15:00 SW 11 gusts 13 0.47 3.2 101.0 24 24

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 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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