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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 17 January 2026

Today Tonight and Sunday.

Wind southwest 15 knots increasing to southwest 20 this afternoon then diminishing to southwest 15 near midnight. Wind southwest 15 Sunday.

Scattered flurries this morning overnight and Sunday.

Waves

Issued 10:30 AM EST 17 January 2026
Today Tonight and Sunday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 17 January 2026
Monday Wind southwest 15 knots increasing to west 25 in the morning then diminishing to west 15 late in the day.
Tuesday Wind southwest 15 knots increasing to southwest 20.
Wednesday Wind southwest 15 knots increasing to southwest 20.

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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 10:30 AM EST 17 January 2026 Today Tonight and Sunday At 10:30 a.m. EST today departing ridge located on a line
northwest-southeast over central Quebec.

At 10:30 a.m. EST today low 1006 mb located over northern Lake
Huron.
By 10:30 a.m. EST Sunday departing low 1008 mb located over
central Quebec.

At 10:30 a.m. EST today ridge located on a line northeast-southwest
over Manitoba.
By 10:30 a.m. EST Sunday ridge located on a line northeast-southwest
over northern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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