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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 25 April 2025

Today Tonight and Saturday.

Wind southeast 10 knots becoming variable 10 early this evening then increasing to northwest 15 late overnight. Wind increasing to northwest 20 Saturday morning then diminishing to north 10 Saturday evening.

Showers ending Saturday afternoon. Risk of thunderstorms today and tonight. Fog patches dissipating Saturday morning.

Waves

Issued 10:30 AM EDT 25 April 2025
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 near noon Saturday then subsiding to 0.5 Saturday evening.

Extended Forecast

Issued 03:00 AM EDT 25 April 2025
Sunday Wind light.
Monday Wind light becoming south 15 knots late in the day.
Tuesday Wind south 15 knots veering to southwest 20.

Ice Forecast*

Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday Ice free.

*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 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 25 April 2025 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 25 April 2025 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over northwestern Ontario.
By 10:30 a.m. EDT Saturday ridge located on a line
northeast-southwest over northern Ontario.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over southern Ontario.
By 10:30 a.m. EDT Saturday low 1005 mb located over eastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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