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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 04 December 2025

Tonight and Friday.

Wind southwest 15 knots increasing to southwest 25 near midnight and to southwest 30 early Friday morning.

Scattered flurries this evening. Flurries Friday evening. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray beginning overnight and ending Friday afternoon.

Waves

Issued 06:30 PM EST 04 December 2025
Tonight and Friday. Waves 1 metre building to 2 late overnight and to 2 to 3 Friday morning. Waves subsiding to 2 Friday afternoon.

Extended Forecast

Issued 06:30 PM EST 04 December 2025
Saturday Wind southwest 25 knots diminishing to light late in the day.
Sunday Wind light increasing to northwest 25 knots late in the day.
Monday Wind north 15 knots increasing to southwest 25 late in the day.

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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 7:01 PM EST 04 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 6:30 PM EST 4 December 2025 Tonight and Friday At 6:30 p.m. EST tonight ridge located on a line northeast-southwest
over southwestern Ontario.
By 6:30 p.m. EST Friday departing ridge located on a line
northeast-southwest over the Maritimes.

At 6:30 p.m. EST tonight cold front located on a line east-west
over southern Manitoba.
By 6:30 p.m. EST Friday cold front located on a line
northeast-southwest over Lake Superior.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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