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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 09 November 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind northeast 25 knots backing to north 20 near midnight. Wind north 20 Monday.

Scattered showers or scattered flurries becoming flurries near midnight. Visibility 1 mile or less in flurries.

Waves

Issued 10:30 AM EST 09 November 2025
Today Tonight and Monday. Waves 1 to 1.5 metres building to 2 near noon then subsiding to 1 to 1.5 late overnight.

Extended Forecast

Issued 03:00 AM EST 09 November 2025
Tuesday Wind north 15 knots backing to west 15 in the morning then increasing to southwest 25 late in the day.
Wednesday Wind southwest 25 knots veering to northwest 30 late in the day.
Thursday Wind northwest 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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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 1:05 PM EST 09 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 9 November 2025 Today Tonight and Monday At 10:30 a.m. EST today dissipating ridge located on a line
east-west over northern Ontario.

At 10:30 a.m. EST today low 1005 mb located over western
Pennsylvania.
By 10:30 a.m. EST Monday low 1002 mb located over the Eastern
Seaboard.

At 10:30 a.m. EST today trough located south of Hudson Bay.
By 10:30 a.m. EST Monday dissipating cold front located over
eastern Lake Superior.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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