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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 07 September 2026

Today Tonight and Tuesday.

Wind west 10 knots becoming light late overnight then becoming southeast 10 Tuesday afternoon. Wind increasing to south 15 Tuesday evening.

Waves

Issued 10:30 AM EDT 07 September 2026
Today Tonight and Tuesday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 07 September 2026
Wednesday Wind southwest 15 knots increasing to southwest 20 in the morning.
Thursday Wind northwest 20 knots.
Friday Wind north 15 knots diminishing to light.

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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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land station Land Station
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 7 September 2026 Today Tonight and Tuesday At 10:30 a.m. EDT today high 1024 mb located over Lake Huron.
By 10:30 a.m. EDT Tuesday ridge located on a line north-south over
eastern Ontario.

At 10:30 a.m. EDT today warm front located on a line east-west
over northwestern Ontario.
By 10:30 a.m. EDT Tuesday warm front located on a line east-west
over northern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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