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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 18 February 2026

Tonight and Thursday.

Wind east 10 knots increasing to east 15 early Thursday morning.

Scattered showers this evening with a risk of thunderstorms. Scattered showers Thursday afternoon and evening with a risk of thunderstorms. Fog patches dissipating Thursday afternoon.

Waves

Issued 06:30 PM EST 18 February 2026
Tonight and Thursday. Mainly ice covered.

Extended Forecast

Issued 06:30 PM EST 18 February 2026
Friday Wind east 15 knots increasing to southwest 25 in the afternoon.
Saturday Wind southwest 20 knots diminishing to light late in the day.
Sunday Wind light increasing to north 20 knots late in the day.

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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 6:30 PM EST 18 February 2026 Tonight and Thursday At 6:30 p.m. EST tonight quasi-stationary ridge located on a line
northwest-southeast over southern Quebec.

At 6:30 p.m. EST tonight low 995 mb located over central Minnesota.
By 6:30 p.m. EST Thursday low 1005 mb located over northern
Wisconsin.

At 6:30 p.m. EST tonight low 990 mb located over Colorado.
By 6:30 p.m. EST Thursday low 995 mb located over Missouri.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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