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

Warnings

 

Lake Nipissing - 45152

06:00 PM EDT 20 July 2026Buoy position: 46.23N 79.72W
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)
20 July 2026
18:00 SSW 13 gusts 18 0.26 2.2 100.8 21 22
17:00 SSW 13 gusts 18 0.27 2.2 100.9 21 22
16:00 SSW 13 gusts 17 0.29 2.3 101.0 20 22
15:00 SW 12 gusts 17 0.26 2.2 101.1 20 22
14:00 SSW 13 gusts 18 0.20 1.9 101.1 20 22
13:00 SW 11 gusts 14 0.20 1.9 101.2 20 22
12:00 SW 12 gusts 16 0.18 1.8 101.2 20 22
11:00 SW 9 gusts 12 0.15 1.8 101.2 20 22
10:00 SW 6 gusts 8 0.16 1.7 101.3 19 22
9:00 SW 11 gusts 15 0.20 2.2 101.3 18 22
8:00 SW 8 gusts 10 0.20 2.0 101.3 17 22
7:00 WSW 10 gusts 12 0.25 2.0 101.3 16 22
6:00 WSW 12 gusts 15 0.27 2.0 101.3 16 22
5:00 SW 12 gusts 15 0.27 2.8 101.3 16 22
4:00 SW 12 gusts 15 0.28 2.5 101.4 16 22
3:00 SW 12 gusts 15 0.30 2.6 101.4 16 22
2:00 SW 12 gusts 15 0.30 2.8 101.4 17 22
1:00 SW 12 gusts 14 0.32 3.1 101.4 17 22
0:00 SW 12 gusts 15 0.33 2.7 101.4 18 22
19 July 2026
23:00 SW 13 gusts 16 0.30 2.6 101.4 18 22
22:00 SW 13 gusts 16 0.29 2.4 101.4 19 22
21:00 SW 13 gusts 17 0.35 2.4 101.4 20 22
20:00 WSW 16 gusts 19 0.34 2.5 101.4 22 22
19:00 WNW 11 gusts 13 0.27 2.3 101.3 23 22
18:00 W 12 gusts 15 0.29 2.5 101.4 23 23

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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