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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 05 September 2026

Today Tonight and Sunday.

Wind northeast 10 knots backing to northwest 10 near noon then veering to northeast 10 this evening. Wind becoming light Sunday morning then becoming northwest 10 Sunday afternoon.

Waves

Issued 10:30 AM EDT 05 September 2026
Today Tonight and Sunday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 05 September 2026
Monday Wind light.
Tuesday Wind light becoming south 15 knots late in the day.
Wednesday Wind southwest 20 knots.

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Map of Great Lakes - Lake Huron marine weather areas Erieau CFB Trenton Muskoka Airport Parry Sound Harbour Toronto City Centre Airport Lake Simcoe Regional Airport Wiarton Airport Point Petre Lagoon City Western Islands Cobourg Port Colborne Windsor Airport Point Pelee Welland-Pelham Vineland Station Burlington Lift Bridge Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Harrow AAFC Hamilton Munro Int'l Airport Tobermory Sarnia Chris Hadfield Airport Oshawa Executive Airport Collingwood Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Peterborough Municipal Airport Brockville Grenadier Island Kingston Airport
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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 10:30 AM EDT 5 September 2026 Today Tonight and Sunday At 10:30 a.m. EDT today departing trough located on a line east-west
over Virginia.

At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Lake Nipigon.
By 10:30 a.m. EDT Sunday ridge located on a line northeast-southwest
over Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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