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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 20 January 2026

Today Tonight and Wednesday.

Wind southwest 15 knots diminishing to south 10 this evening then increasing to south 15 Wednesday morning. Wind veering to southwest 20 near noon Wednesday then to west 15 Wednesday evening.

Scattered flurries ending this afternoon. Snow beginning overnight and changing to scattered flurries Wednesday afternoon. Visibility 1 mile or less in snow.

Waves

Issued 03:00 AM EST 20 January 2026
Today Tonight and Wednesday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 20 January 2026
Thursday Wind west 15 knots increasing to west 20 in the afternoon.
Friday Wind west 15 knots veering to northwest 20.
Saturday Wind northwest 15 knots diminishing to 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 EST 20 January 2026 Today Tonight and Wednesday At 3:00 a.m. EST today departing low 1002 mb located over central
Quebec.

At 3:00 a.m. EST today ridge located from Iowa to Saskatchewan.
By 3:00 a.m. EST Wednesday high 1037 mb located over West Virginia.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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