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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 08 October 2026

Tonight and Friday.

Strong wind warning in effect.

Wind west 25 knots veering to northwest 20 near midnight then backing to west 20 early Friday morning. Wind diminishing to northwest 15 near noon Friday and to northwest 10 Friday evening.

Scattered showers ending Friday morning.

Waves

Issued 06:30 PM EDT 08 October 2026
Tonight and Friday. Waves 2 metres subsiding to 1.5 late overnight and to 0.5 or less Friday evening.

Extended Forecast

Issued 06:30 PM EDT 08 October 2026
Saturday Wind west 15 knots diminishing to light in the morning then increasing to south 20 in the afternoon.
Sunday Wind southwest 15 knots.
Monday Wind light becoming south 15 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

Warnings (In effect)

Strong wind warning in effect

Georgian Bay

Issued 8:54 PM EDT 08 October 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 8 October 2026 Tonight and Friday At 6:30 p.m. EDT tonight departing low 1000 mb located east of
James Bay.

At 6:30 p.m. EDT tonight ridge from 1020 mb high located on a line
northwest-southeast over Minnesota.
By 6:30 p.m. EDT Friday ridge from 1022 mb high located on a line
north-south over Toronto.

Great Lakes - Lake Huron Area

Another Region

Marine Weather for Canada

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