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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 10 December 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind northeast 25 knots except southwest 20 near the south end. Wind increasing to north 25 to 30 near noon and to northwest 30 to 35 early this evening. Wind diminishing to northwest 25 near midnight and to northwest 15 Thursday evening.

Rain or snow changing to flurries this evening. Visibility 1 mile or less in flurries.

Risk of freezing spray Thursday morning.

Waves

Issued 10:30 AM EST 10 December 2025
Today Tonight and Thursday. Waves 1.5 metres building to 3 this afternoon then subsiding to 2 early Thursday morning.

Extended Forecast

Issued 03:00 AM EST 10 December 2025
Friday Wind northwest 15 knots increasing to southwest 25 late in the day.
Saturday Wind southwest 25 knots veering to northwest 20 late in the day.
Sunday 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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buoy Buoy
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)

Gale warning in effect

Southern Lake Huron

Issued 10:30 AM EST 10 December 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 10 December 2025 Today Tonight and Thursday At 10:30 a.m. EST today low 989 mb located over southeastern
Michigan.
By 10:30 a.m. EST Thursday low 984 mb located over southeastern
Quebec.

At 10:30 a.m. EST today ridge located on a line north-south over
Saskatchewan.
By 10:30 a.m. EST Thursday ridge located on a line north-south
over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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