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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 31 March 2025

Tonight and Tuesday.

Wind northwest 10 knots increasing to northwest 15 this evening then diminishing to northeast 10 Tuesday morning.

Waves

Issued 06:30 PM EDT 31 March 2025
Tonight and Tuesday. Waves 0.5 metres or less building to 0.5 to 1 near midnight then subsiding to 0.5 or less near noon Tuesday.

Extended Forecast

Issued 06:30 PM EDT 31 March 2025
Wednesday Wind east 15 knots increasing to east 25 in the morning then diminishing to southwest 20 late in the day.
Thursday Wind southwest 20 knots diminishing to light late in the day.
Friday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 31 March 2025 Today Tonight and Tuesday Open water.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
Legend:
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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 31 March 2025 Today Tonight and Tuesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 31 March 2025 Tonight and Tuesday At 6:30 p.m. EDT tonight departing low 995 mb located over southern
Quebec.

At 6:30 p.m. EDT tonight ridge located on a line north-south
over Manitoba.
By 6:30 p.m. EDT Tuesday ridge located on a line north-south over
the Ontario - Quebec border.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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