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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 29 April 2025

Today Tonight and Wednesday.

Wind southwest 20 knots increasing to southwest 25 this morning then veering to northwest 20 early this evening. Wind veering to north 15 near midnight then diminishing to light Wednesday morning.

Scattered showers today with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 29 April 2025
Today Tonight and Wednesday. Waves 0.5 metres building to 1 early this morning then subsiding to 0.5 or less Wednesday morning.

Extended Forecast

Issued 03:00 AM EDT 29 April 2025
Thursday Wind light becoming southwest 15 knots late in the day.
Friday Wind southwest 20 knots diminishing to light late in the day.
Saturday Wind north 15 knots diminishing to light late in the day.

Ice Forecast*

Issued 12:00 PM EDT 28 April 2025 Today Tonight and Tuesday 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 28 April 2025 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 29 April 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today low 997 mb located over eastern Lake
Superior.
By 3:00 a.m. EDT Wednesday departing low 991 mb located over
eastern Quebec.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Manitoba.
By 3:00 a.m. EDT Wednesday ridge located on a line
northeast-southwest over Whitefish Bay.

Great Lakes - Lake Huron Area

Another Region

Marine Weather for Canada

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