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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 17 January 2026

Today Tonight and Sunday.

Wind southwest 15 knots increasing to southwest 20 near noon then diminishing to southwest 15 overnight. Wind increasing to southwest 20 Sunday afternoon then diminishing to southwest 15 Sunday evening.

Scattered flurries ending near noon. Scattered flurries overnight and Sunday.

Waves

Issued 03:00 AM EST 17 January 2026
Today Tonight and Sunday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 17 January 2026
Monday Wind southwest 15 knots increasing to west 25 in the morning then diminishing to west 15 late in the day.
Tuesday Wind southwest 15 knots increasing to southwest 20.
Wednesday Wind southwest 15 knots increasing to southwest 20.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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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 3:00 AM EST 17 January 2026 Today Tonight and Sunday At 3:00 a.m. EST today departing ridge located on a line
northwest-southeast over central Quebec.

At 3:00 a.m. EST today low 1000 mb located over eastern Upper
Michigan.
By 3:00 a.m. EST Sunday departing low 1007 mb located over central
Quebec.

At 3:00 a.m. EST today ridge located on a line north-south over
Saskatchewan.
By 3:00 a.m. EST Sunday ridge located on a line northeast-southwest
over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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