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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 18 November 2025

Today Tonight and Wednesday.

Wind north 15 knots diminishing to north 10 early this morning then becoming light near noon. Wind becoming northwest 10 this evening then veering to north 10 overnight. Wind becoming light near noon Wednesday then becoming southwest 10 Wednesday evening.

Scattered showers or scattered flurries ending near noon.

Waves

Issued 03:00 AM EST 18 November 2025
Today Tonight and Wednesday. Waves 0.5 to 1 metre subsiding to 0.5 or less this morning.

Extended Forecast

Issued 03:00 AM EST 18 November 2025
Thursday Wind light increasing to southwest 20 knots late in the day.
Friday Wind southwest 20 knots veering to northwest 20.
Saturday Wind northwest 15 knots diminishing to 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

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 18 November 2025 Today Tonight and Wednesday At 3:00 a.m. EST today ridge located from Manitoba to Lake Huron
then to Lake Erie.
By 3:00 a.m. EST Wednesday ridge located from Lake Superior to
Lake Ontario then to New England.

At 3:00 a.m. EST today low 1006 mb located over Kansas.
By 3:00 a.m. EST Wednesday low 1015 mb located over Missouri.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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