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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 09 February 2026

Today Tonight and Tuesday.

Wind light becoming southeast 10 knots near noon then veering to south 10 this evening. Wind veering to southwest 10 Tuesday morning then to northwest 10 Tuesday evening.

Waves

Issued 03:00 AM EST 09 February 2026
Today Tonight and Tuesday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 09 February 2026
Wednesday Wind northwest 15 knots.
Thursday Wind northwest 15 knots diminishing to light.
Friday Wind light.

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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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land station Land Station
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 9 February 2026 Today Tonight and Tuesday At 3:00 a.m. EST today ridge located on a line north-south over
southern Ontario.
By 3:00 a.m. EST Tuesday ridge located on a line north-south over
eastern New York State.

At 3:00 a.m. EST today low 1004 mb located over southern Manitoba.
By 3:00 a.m. EST Tuesday low 1007 mb located over northern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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