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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 17 June 2025

Today Tonight and Wednesday.

Wind light becoming south 10 knots this morning then increasing to south 15 this afternoon. Wind diminishing to southwest 10 this evening then becoming light overnight. Wind increasing to south 15 Wednesday afternoon and to southwest 15 to 20 Wednesday evening.

Scattered showers this afternoon tonight and Wednesday with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 17 June 2025
Today Tonight and Wednesday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 17 June 2025
Thursday Wind west 15 knots diminishing to light late in the day.
Friday Wind light.
Saturday Wind southwest 15 knots.

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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 17 June 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today low 1002 mb located over western Lake
Superior.
By 3:00 a.m. EDT Wednesday low 989 mb located over central Quebec.

At 3:00 a.m. EDT today departing high 1022 mb located over Maine.

By 3:00 a.m. EDT Wednesday approaching low 1003 mb located over
Iowa.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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