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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 14 December 2025

Tonight and Monday.

Wind northwest 15 knots backing to west 20 near midnight then increasing to southwest 30 Monday morning. Wind diminishing to west 20 Monday afternoon and to west 15 Monday evening.

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

Risk of freezing spray Monday afternoon.

Waves

Issued 06:30 PM EST 14 December 2025
Tonight and Monday. Waves 1 to 1.5 metres building to 2 to 3 near noon Monday then subsiding to 1 to 1.5 Monday evening.

Extended Forecast

Issued 06:30 PM EST 14 December 2025
Tuesday Wind southwest 15 knots increasing to southwest 25 in the morning and to southwest 35 late in the day.
Wednesday Wind southwest 30 knots veering to northwest 30.
Thursday Wind south 25 knots increasing to southwest 35.

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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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 14 December 2025 Tonight and Monday At 6:30 p.m. EST tonight high 1042 mb located over Illinois.
By 6:30 p.m. EST Monday high 1028 mb located over West Virginia.

At 6:30 p.m. EST tonight trough located on a line
northeast-southwest over northeastern Manitoba.
By 6:30 p.m. EST Monday trough located on a line north-south over
Lake Huron.

By 6:30 p.m. EST Monday approaching ridge located on a line
northeast-southwest over Minnesota.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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