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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 22 January 2026

Tonight and Friday.

Wind southwest 20 knots veering to west 15 this evening then diminishing to northwest 10 Friday evening.

Scattered flurries ending Friday morning.

Waves

Issued 06:30 PM EST 22 January 2026
Tonight and Friday. Mainly ice covered.

Extended Forecast

Issued 06:30 PM EST 22 January 2026
Saturday Wind light becoming southwest 15 knots late in the day.
Sunday Wind northeast 15 knots.
Monday Wind north 15 knots increasing to southwest 20 late in the day.

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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 6:30 PM EST 22 January 2026 Tonight and Friday At 6:30 p.m. EST tonight departing low 1003 mb located southeast
of James Bay.

At 6:30 p.m. EST tonight trough located on a line
northeast-southwest over northeastern Ontario.
By 6:30 p.m. EST Friday trough located on a line east-west over
New York State.

At 6:30 p.m. EST tonight quasi-stationary ridge located on a line
northwest-southeast over Saskatchewan.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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