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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 05 June 2026

Tonight and Saturday.

Wind light becoming south 10 knots this evening then veering to west 10 late overnight. Wind increasing to west 15 near noon Saturday then diminishing to northwest 10 Saturday evening.

Scattered showers with a risk of thunderstorms. Fog patches forming this evening.

Waves

Issued 06:30 PM EDT 05 June 2026
Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 Saturday afternoon.

Extended Forecast

Issued 06:30 PM EDT 05 June 2026
Sunday Wind light.
Monday Wind light becoming southeast 15 knots.
Tuesday Wind southeast 15 knots.

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Map of Great Lakes - Lake Huron marine weather areas Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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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 6:30 PM EDT 5 June 2026 Tonight and Saturday At 6:30 p.m. EDT tonight departing ridge located on a line
northwest-southeast over eastern Quebec.

At 6:30 p.m. EDT tonight low 1005 mb located over northwestern
Ontario.
By 6:30 p.m. EDT Saturday low 1000 mb located over central Quebec.

At 6:30 p.m. EDT tonight ridge located on a line north-south
over Manitoba.
By 6:30 p.m. EDT Saturday ridge located on a line north-south over
northern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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