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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 16 June 2025

Today Tonight and Tuesday.

Wind light becoming southeast 10 knots this afternoon then becoming light near midnight. Wind becoming south 10 Tuesday morning then increasing to south 15 Tuesday afternoon. Wind veering to southwest 15 Tuesday evening.

Scattered showers Tuesday late in the day with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 16 June 2025
Today Tonight and Tuesday. Waves less than 0.5 metres building to 0.5 Tuesday afternoon.

Extended Forecast

Issued 03:00 AM EDT 16 June 2025
Wednesday Wind light becoming south 15 knots in the afternoon.
Thursday Wind southwest 15 knots veering to northwest 15.
Friday Wind light.

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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 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 16 June 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today ridge located on a line east-west over
northeastern Ontario.
By 3:00 a.m. EDT Tuesday ridge located on a line east-west over
Nova Scotia.

At 3:00 a.m. EDT today low 1007 mb located over South Dakota.
By 3:00 a.m. EDT Tuesday low 1003 mb located over western Lake
Superior.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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