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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 15 December 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind west 20 knots increasing to southwest 30 this morning then diminishing to west 20 early this evening. Wind diminishing to west 15 late this evening then backing to southwest 15 overnight. Wind increasing to southwest 25 Tuesday morning and to southwest 35 Tuesday evening.

Flurries ending Tuesday afternoon. Risk of freezing drizzle overnight and Tuesday.

Risk of freezing spray this afternoon and early this evening.

Waves

Issued 03:00 AM EST 15 December 2025
Today Tonight and Tuesday. Waves 1 to 1.5 metres building to 2 to 3 near noon then subsiding to 1 to 1.5 this evening. Waves subsiding to 1 overnight then building to 2 to 3 near noon Tuesday.

Extended Forecast

Issued 03:00 AM EST 15 December 2025
Wednesday Wind southwest 30 knots veering to northwest 30 in the morning then diminishing to south 25 late in the day.
Thursday Wind south 25 knots increasing to southwest 35.
Friday Wind northwest 35 knots diminishing to south 20.

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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)

Gale warning in effect

Northern Lake Huron

Issued 03:00 AM EST 15 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 3:00 AM EST 15 December 2025 Today Tonight and Tuesday At 3:00 a.m. EST today high 1037 mb located over southern Illinois.
By 3:00 a.m. EST Tuesday high 1030 mb located over North Carolina.

At 3:00 a.m. EST today trough located on a line northeast-southwest
over the Ontario - Manitoba border.
By 3:00 a.m. EST Tuesday trough located on a line
northeast-southwest over Georgian Bay.

By 3:00 a.m. EST Tuesday approaching low 988 mb located over
southern Saskatchewan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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