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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 29 March 2025

Today Tonight and Sunday.

Wind southwest 15 knots diminishing to southwest 10 early this evening then backing to southeast 10 near midnight. Wind increasing to south 20 near noon Sunday then veering to southwest 20 Sunday evening.

Scattered showers beginning this afternoon changing to rain Sunday morning then to scattered showers near noon Sunday. Risk of thunderstorms late Sunday evening. Fog patches forming early Sunday morning and dissipating Sunday afternoon.

Waves

Issued 03:00 AM EDT 29 March 2025
Today Tonight and Sunday. Waves 0.5 metres building to 0.5 to 1 Sunday afternoon.

Extended Forecast

Issued 03:00 AM EDT 29 March 2025
Monday Wind southwest 20 knots becoming north 20 in the morning.
Tuesday Wind north 20 knots.
Wednesday Wind northeast 15 knots veering to east 20.

Ice Forecast*

Issued 12:00 PM EDT 28 March 2025 Today Tonight and Saturday Open water.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron 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
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 28 March 2025 Today Tonight and Saturday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 29 March 2025 Today Tonight and Sunday At 3:00 a.m. EDT today quasi-stationary trough located on a line
east-west over Lake Ontario.

At 3:00 a.m. EDT today quasi-stationary ridge located on a line
east-west over northern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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