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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 19 January 2026

Tonight and Tuesday.

Wind west 25 knots backing to southwest 20 this evening then diminishing to southwest 15 late overnight. Wind increasing to southwest 20 near noon Tuesday then diminishing to southwest 15 Tuesday evening.

Scattered flurries ending Tuesday afternoon.

Waves

Issued 06:30 PM EST 19 January 2026
Tonight and Tuesday. Mainly ice covered.

Extended Forecast

Issued 06:30 PM EST 19 January 2026
Wednesday Wind south 15 knots veering to southwest 20 in the morning.
Thursday Wind west 15 knots diminishing to light late in the day.
Friday Wind southwest 15 knots veering to northwest 15.

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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 6:30 PM EST 19 January 2026 Tonight and Tuesday At 6:30 p.m. EST tonight low 1000 mb located over central Quebec.
By 6:30 p.m. EST Tuesday departing low 995 mb located over eastern
Labrador.

At 6:30 p.m. EST tonight ridge located from Missouri to
Saskatchewan.
By 6:30 p.m. EST Tuesday high 1037 mb located over West Virginia.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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