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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 17 January 2026

Tonight and Sunday.

Wind southwest 20 knots veering to northwest 15 this evening then diminishing to light early Sunday morning. Wind becoming variable 10 Sunday afternoon then increasing to southwest 25 Sunday evening.

Scattered flurries. Visibility 1 mile or less in flurries.

Risk of freezing spray Sunday evening.

Waves

Issued 06:30 PM EST 17 January 2026
Tonight and Sunday. Over open water waves 1 to 1.5 metres subsiding to 0.5 to 1 near midnight and to 0.5 or less Sunday morning. Waves building to 1 to 1.5 Sunday evening.

Extended Forecast

Issued 06:30 PM EST 17 January 2026
Monday Wind southwest 25 knots increasing to northwest 35 in the afternoon then diminishing to northwest 25 late in the day.
Tuesday Wind northwest 20 knots.
Wednesday Wind southwest 20 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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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

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 17 January 2026 Tonight and Sunday At 6:30 p.m. EST tonight departing ridge located on a line
northwest-southeast over New Brunswick.

At 6:30 p.m. EST tonight low 1007 mb located over eastern Quebec.
By 6:30 p.m. EST Sunday departing low 1011 mb located over
southeastern Quebec.

At 6:30 p.m. EST tonight ridge located on a line northeast-southwest
over Manitoba.
By 6:30 p.m. EST Sunday ridge located on a line north-south over
Hudson Bay.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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