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Lake St. Clair

Forecast

Marine Forecast

Issued 06:30 PM EDT 19 April 2025

Tonight and Sunday.

Wind northwest 10 knots veering to north 10 this evening then to northeast 10 late overnight. Wind veering to southeast 10 near noon Sunday then increasing to east 15 Sunday evening.

Waves

Issued 06:30 PM EDT 19 April 2025
Tonight and Sunday. Waves 0.5 metres or less building to 0.5 to 1 Sunday evening.

Extended Forecast

Issued 06:30 PM EDT 19 April 2025
Monday Wind east 15 knots increasing to southwest 20 in the afternoon.
Tuesday Wind west 15 knots diminishing to light.
Wednesday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 19 April 2025 Today Tonight and Sunday Ice free.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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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 19 April 2025 Today Tonight and Sunday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 19 April 2025 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line north-south over
Lake Superior.
By 6:30 p.m. EDT Sunday ridge located on a line north-south over
eastern Ontario.

By 6:30 p.m. EDT Sunday approaching low 1001 mb located over Iowa.

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