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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 June 2025

Today Tonight and Saturday.

Wind northeast 15 knots diminishing to northeast 10 near noon then increasing to northeast 15 Saturday morning. Wind diminishing to light Saturday afternoon.

Scattered showers overnight and Saturday morning.

Waves

Issued 03:00 AM EDT 13 June 2025
Today Tonight and Saturday. Waves less than 0.5 metres building to 0.5 to 1 early this morning then subsiding to 0.5 or less this afternoon. Waves building to 0.5 to 1 Saturday morning then subsiding to less than 0.5 Saturday evening.

Extended Forecast

Issued 03:00 AM EDT 13 June 2025
Sunday Wind light.
Monday Wind light.
Tuesday Wind light.

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

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 13 June 2025 Today Tonight and Saturday At 3:00 a.m. EDT today high 1026 mb located over northern Ontario.
By 3:00 a.m. EDT Saturday high 1025 mb located southeast of
James Bay.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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