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Eastern Lake Ontario: Past 24 Hour Conditions

Warnings

 

South Georgian Bay - 45143

09:00 AM EDT 17 June 2026Buoy position: 44.95N 80.63W
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)
17 June 2026
9:00 NE 4 gusts 5 0.24 3.4 100.4 12 8
8:00 ENE 5 gusts 6 0.22 3.6 100.4 12 8
7:00 ESE 4 gusts 5 0.19 3.0 100.4 12 8
6:00 E 4 gusts 5 0.16 2.2 100.3 11 8
5:00 SE 6 gusts 8 0.19 2.4 100.3 11 8
4:00 ESE 9 gusts 11 0.21 2.3 100.3 11 8
3:00 SE 8 gusts 10 0.19 2.3 100.3 12 8
2:00 SE 9 gusts 10 0.20 2.4 100.3 12 9
1:00 SSE 9 gusts 11 0.19 2.7 100.4 12 9
0:00 SE 9 gusts 10 0.23 2.8 100.4 12 9
16 June 2026
23:00 SE 8 gusts 9 0.26 2.8 100.5 13 8
22:00 ESE 6 gusts 8 0.37 3.4 100.5 13 8
21:00 WNW 4 gusts 5 0.44 3.8 100.6 13 8
20:00 SSE 8 gusts 10 0.58 25.0 100.5 13 8
19:00 ESE 13 gusts 16 0.43 2.9 100.4 14 8
18:00 S 17 gusts 20 0.34 2.6 100.4 14 9
17:00 SE 5 gusts 12 0.10 2.2 100.4 16 10
16:00 ESE 3 gusts 5 0.13 2.4 100.4 15 11
15:00 ESE 5 gusts 6 0.14 2.3 100.4 13 10
14:00 ESE 6 gusts 7 0.13 2.3 100.5 13 9
13:00 SE 6 gusts 8 0.11 2.0 100.6 13 9
12:00 SSE 8 gusts 9 0.13 2.3 100.6 12 9
11:00 SSE 8 gusts 9 0.16 2.5 100.7 11 8
10:00 SSE 4 gusts 5 0.19 2.9 100.7 11 8
9:00 S 6 gusts 8 0.17 2.4 100.7 11 8

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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