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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 15 February 2026

Today Tonight and Monday.

Wind light becoming southwest 10 knots early this evening then becoming light near midnight. Wind becoming south 10 Monday morning then veering to southwest 10 Monday afternoon.

Waves

Issued 10:30 AM EST 15 February 2026
Today Tonight and Monday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 15 February 2026
Tuesday Wind light.
Wednesday Wind southeast 15 knots veering to southwest 15.
Thursday Wind west 15 knots diminishing to 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 10:30 AM EST 15 February 2026 Today Tonight and Monday At 10:30 a.m. EST today ridge located on a line northeast-southwest
over eastern Ontario.
By 10:30 a.m. EST Monday ridge located from New Brunswick to the
St. Lawrence River then to Kentucky.

At 10:30 a.m. EST today quasi-stationary low 1010 mb located over
Lake Superior.

At 10:30 a.m. EST today trough located on a line northwest-southeast
over southern Manitoba.
By 10:30 a.m. EST Monday trough located on a line
northeast-southwest over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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