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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 08 November 2025

Today Tonight and Sunday.

Strong wind warning in effect.

Wind north 15 knots diminishing to north 10 near noon then veering to northeast 10 this evening. Wind increasing to northeast 15 late overnight and to northeast 20 early Sunday morning. Wind increasing to northeast 25 Sunday afternoon.

Scattered showers or scattered flurries overnight and Sunday.

Waves

Issued 10:30 AM EST 08 November 2025
Today Tonight and Sunday. Waves 1.5 metres subsiding to 0.5 to 1 this afternoon then building to 1 to 1.5 Sunday morning. Waves building to 2 Sunday evening.

Extended Forecast

Issued 03:00 AM EST 08 November 2025
Monday Wind north 25 knots.
Tuesday Wind northwest 20 knots backing to southwest 25 late in the day.
Wednesday Wind southwest 25 knots veering to northwest 30.

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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

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 10:30 AM EST 08 November 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 8 November 2025 Today Tonight and Sunday At 10:30 a.m. EST today ridge located on a line northwest-southeast
over northwestern Ontario.
By 10:30 a.m. EST Sunday ridge located on a line east-west over
northeastern Ontario.

At 10:30 a.m. EST today low 1010 mb located over southwestern Iowa.
By 10:30 a.m. EST Sunday low 1005 mb located over western
Pennsylvania.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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