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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 06 December 2025

Today Tonight and Sunday.

Wind southwest 25 knots veering to west 20 this morning then to northwest 15 this afternoon. Wind diminishing to northwest 10 this evening then becoming variable 10 overnight. Wind increasing to west 15 Sunday morning and to northwest 25 Sunday afternoon. Wind increasing to northwest 30 Sunday evening.

Scattered flurries. Visibility 1 mile or less in flurries.

Waves

Issued 03:00 AM EST 06 December 2025
Today Tonight and Sunday. Waves 2 to 3 metres subsiding to 1.5 near noon and to 1 early this evening. Waves subsiding to 0.5 near midnight then building to 1 near noon Sunday and to 2 Sunday evening.

Extended Forecast

Issued 03:00 AM EST 06 December 2025
Monday Wind northwest 30 knots diminishing to light in the morning then increasing to southwest 25 late in the day.
Tuesday Wind southwest 30 knots.
Wednesday Wind northeast 25 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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land station Land Station
Ice Conditions

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

Ice Forecasts

Lake Huron

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

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 EST 6 December 2025 Today Tonight and Sunday At 3:00 a.m. EST today departing ridge located on a line north-south
over eastern Quebec.

At 3:00 a.m. EST today departing cold front located on a line
north-south over Sudbury.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Saskatchewan.
By 3:00 a.m. EST Sunday ridge located on a line north-south over
Manitoba.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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