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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 April 2026

Today Tonight and Saturday.

Wind southeast 10 knots increasing to southeast 15 this morning then diminishing to east 10 overnight. Wind increasing to north 15 Saturday morning.

Scattered showers beginning this afternoon changing to rain this evening and ending Saturday morning. Risk of thunderstorms late this afternoon and tonight.

Waves

Issued 03:00 AM EDT 24 April 2026
Today Tonight and Saturday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 24 April 2026
Sunday Wind north 15 knots diminishing to light in the afternoon.
Monday Wind light increasing to southeast 20 knots late in the day.
Tuesday Wind southeast 20 knots veering to southwest 20.

Ice Forecast*

Issued 12:00 PM EDT 23 April 2026 Today Tonight and Friday 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 Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 23 April 2026 Today Tonight and Friday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 24 April 2026 Today Tonight and Saturday At 3:00 a.m. EDT today ridge located on a line north-south over
the Ontario - Quebec border.
By 3:00 a.m. EDT Saturday ridge located on a line north-south
over Montréal.

At 3:00 a.m. EDT today cold front located from Thunder Bay to
Missouri.
By 3:00 a.m. EDT Saturday cold front located on a line north-south
over Lake Erie.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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