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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 10 November 2026

Tonight and Wednesday.

Wind west 10 knots veering to northwest 10 this evening then becoming light late overnight. Wind becoming north 10 Wednesday afternoon.

Scattered showers Wednesday late in the day.

Waves

Issued 06:30 PM EST 10 November 2026
Tonight and Wednesday. Waves less than 0.5 metres.

Extended Forecast

Issued 06:30 PM EST 10 November 2026
Thursday Wind northwest 15 knots increasing to north 20 to 25 in the morning.
Friday Wind north 15 knots.
Saturday Wind northwest 15 knots.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas St. Catharines / Niagara District Airport Burlington Lift Bridge Point Pelee Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Ajax - 45159 Erieau Lagoon City Collingwood Kingston Airport Grenadier Island Brockville Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Port Colborne North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 South Lake Huron - 45149 Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Windsor Airport Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Goderich Sarnia Chris Hadfield Airport Tobermory Long Point Harrow AAFC Port Weller Southeast Shoal Vineland Station Welland-Pelham
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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 EST 10 November 2026 Tonight and Wednesday At 6:30 p.m. EST tonight departing trough from 1004 mb low located
on a line northeast-southwest over Lake Ontario.

By 6:30 p.m. EST Wednesday ridge located on a line north-south
over Manitoba.

By 6:30 p.m. EST Wednesday low 1005 mb located over eastern Indiana.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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