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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 26 October 2026

Tonight and Tuesday.

Wind north 15 knots veering to northeast 15 this evening then diminishing to east 10 Tuesday morning. Wind veering to southeast 10 Tuesday evening.

Waves

Issued 06:30 PM EDT 26 October 2026
Tonight and Tuesday. Waves 0.5 to 1 metre subsiding to 0.5 or less near noon Tuesday.

Extended Forecast

Issued 06:30 PM EDT 26 October 2026
Wednesday Wind south 15 knots diminishing to light in the afternoon.
Thursday Wind southwest 15 to 20 knots veering to northwest 15 late in the day.
Friday Wind northwest 15 knots diminishing to light.

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Map of Great Lakes - Lake Huron marine weather areas Sarnia Chris Hadfield Airport Peterborough Municipal Airport Toronto City Centre Airport Hamilton Munro Int'l Airport Goderich Southeast Shoal Western Islands St. Catharines / Niagara District Airport CFB Trenton Port Weller Wiarton Airport Lake Simcoe Regional Airport Vineland Station Tobermory Point Pelee Welland-Pelham Point Petre Cobourg Windsor Airport Harrow AAFC Erieau Long Point Port Colborne Oshawa Executive Airport Burlington Lift Bridge Greater Sudbury Airport Port Colborne - 45142 South Georgian Bay - 45143 Grimsby - 45139 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Georgian Bay - 45137 North Bay Airport Gore Bay-Manitoulin Airport Prince Edward Point - 45135 Brockville Grenadier Island Kingston Airport Port Stanley - 45132 Collingwood Lagoon City Muskoka Airport Parry Sound Harbour
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 26 October 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight high 1036 mb located on a line
northwest-southeast over Lake Nipigon.
By 6:30 p.m. EDT Tuesday ridge located on a line north-south over
the St. Lawrence River.

By 6:30 a.m. EDT Wednesday approaching trough located on a line
east-west over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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