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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 16 February 2026

Today Tonight and Tuesday.

Wind south 10 knots veering to southwest 10 this afternoon then becoming light early Tuesday morning. Wind becoming east 10 Tuesday afternoon then veering to southeast 10 Tuesday evening.

Scattered showers Tuesday evening.

Waves

Issued 10:30 AM EST 16 February 2026
Today Tonight and Tuesday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 16 February 2026
Wednesday Wind southeast 15 knots veering to southwest 15 in the afternoon then diminishing to light late in the day.
Thursday Wind light becoming east 15 knots.
Friday Wind east 15 knots becoming 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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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 10:30 AM EST 16 February 2026 Today Tonight and Tuesday At 10:30 a.m. EST today trough located on a line northeast-southwest
over Lake Superior.
By 10:30 a.m. EST Tuesday departing trough located on a line
north-south over eastern Ontario.

At 10:30 a.m. EST today ridge located on a line northwest-southeast
over Saskatchewan.
By 10:30 a.m. EST Tuesday approaching ridge located on a line
northwest-southeast over Lake Superior.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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