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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 14 February 2026

Today Tonight and Sunday.

Wind light becoming southwest 10 knots near noon Sunday.

Waves

Issued 03:00 AM EST 14 February 2026
Today Tonight and Sunday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 14 February 2026
Monday Wind light becoming southwest 15 knots in the afternoon then diminishing to light late in the day.
Tuesday Wind light.
Wednesday Wind southeast 15 knots veering to southwest 15.

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Map of Great Lakes - Lake Huron marine weather areas Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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land station Land Station
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 EST 14 February 2026 Today Tonight and Sunday At 3:00 a.m. EST today departing low 1009 mb located over central
Quebec.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over northern Ontario.
By 3:00 a.m. EST Sunday ridge located on a line north-south
over Quebec.

At 3:00 a.m. EST today trough located on a line north-south over
Manitoba.
By 3:00 a.m. EST Sunday trough located on a line north-south over
northeastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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