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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 05 December 2025

Today Tonight and Saturday.

Wind southwest 30 knots diminishing to west 20 Saturday morning then veering to northwest 20 Saturday afternoon. Wind diminishing to northwest 15 Saturday evening.

Flurries tonight and Saturday. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending this afternoon.

Waves

Issued 10:30 AM EST 05 December 2025
Today Tonight and Saturday. Waves 2 to 3 metres subsiding to 2 this afternoon and to 1.5 near noon Saturday.

Extended Forecast

Issued 03:00 AM EST 05 December 2025
Sunday Wind light increasing to west 20 knots in the morning then veering to northwest 25 in the afternoon.
Monday Wind northwest 25 knots diminishing to light.
Tuesday Wind southwest 30 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

Warnings (In effect)

Freezing spray warning in effect

Southern Lake Huron

Issued 10:30 AM EST 05 December 2025

Moderate or severe freezing spray is 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 5 December 2025 Today Tonight and Saturday At 10:30 a.m. EST today ridge located on a line north-south over
central Quebec.
By 10:30 a.m. EST Saturday departing ridge located on a line
north-south over New Brunswick.

At 10:30 a.m. EST today cold front located on a line
northeast-southwest over northwestern Ontario.
By 10:30 a.m. EST Saturday cold front located on a line
northeast-southwest over northeastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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