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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 26 October 2026

Tonight and Tuesday.

Wind northeast 15 knots diminishing to east 10 Tuesday morning then increasing to east 15 Tuesday evening.

Waves

Issued 06:30 PM EDT 26 October 2026
Tonight and Tuesday. Waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EDT 26 October 2026
Wednesday Wind light.
Thursday Wind southwest 15 knots diminishing to light late in the day.
Friday Wind light.

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Map of Great Lakes - Lake Huron marine weather areas Sarnia Chris Hadfield Airport Peterborough Municipal Airport Toronto City Centre Airport Hamilton Munro Int'l Airport Goderich Southeast Shoal Western Islands St. Catharines / Niagara District Airport CFB Trenton Port Weller Wiarton Airport Lake Simcoe Regional Airport Vineland Station Tobermory Point Pelee Welland-Pelham Point Petre Cobourg Windsor Airport Harrow AAFC Erieau Long Point Port Colborne Oshawa Executive Airport Burlington Lift Bridge Greater Sudbury Airport Port Colborne - 45142 South Georgian Bay - 45143 Grimsby - 45139 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Georgian Bay - 45137 North Bay Airport Gore Bay-Manitoulin Airport Prince Edward Point - 45135 Brockville Grenadier Island Kingston Airport Port Stanley - 45132 Collingwood Lagoon City Muskoka Airport Parry Sound Harbour
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 26 October 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight high 1036 mb located on a line
northwest-southeast over Lake Nipigon.
By 6:30 p.m. EDT Tuesday ridge located on a line north-south over
the St. Lawrence River.

By 6:30 a.m. EDT Wednesday approaching trough located on a line
east-west over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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