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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 22 January 2026

Today Tonight and Friday.

Wind southwest 20 knots diminishing to southwest 15 this evening then veering to northwest 20 late overnight. Wind diminishing to northwest 10 Friday afternoon.

Scattered flurries ending Friday morning.

Waves

Issued 10:30 AM EST 22 January 2026
Today Tonight and Friday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 22 January 2026
Saturday Wind light.
Sunday Wind light becoming northeast 15 knots.
Monday Wind northwest 15 knots backing to southwest 20 late in the day.

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Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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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 22 January 2026 Today Tonight and Friday At 10:30 a.m. EST today low 1003 mb located south of James Bay.
By 10:30 a.m. EST Friday departing low 1006 mb located over
eastern Quebec.

At 10:30 a.m. EST today trough located on a line northeast-southwest
over northeastern Ontario.
By 10:30 a.m. EST Friday trough located on a line east-west over
southern Ontario.

At 10:30 a.m. EST today quasi-stationary ridge located on a line
northwest-southeast over Saskatchewan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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