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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 10 February 2026

Tonight and Wednesday.

Wind west 10 knots increasing to west 15 this evening then veering to northwest 15 early Wednesday morning. Wind diminishing to west 10 Wednesday afternoon then veering to northwest 10 Wednesday evening.

Waves

Issued 06:30 PM EST 10 February 2026
Tonight and Wednesday. Mainly ice covered.

Extended Forecast

Issued 06:30 PM EST 10 February 2026
Thursday Wind northwest 15 knots diminishing to light in the afternoon.
Friday Wind light becoming southwest 15 knots.
Saturday Wind light.

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

At 6:30 p.m. EST tonight low 1005 mb located over northeastern
Ontario.
By 6:30 p.m. EST Wednesday departing low 992 mb located east of
Nova Scotia.

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

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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