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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 11 April 2026

Tonight and Sunday.

Wind light becoming southwest 10 knots this evening then backing to southeast 10 near midnight. Wind increasing to southeast 15 early Sunday morning and to southeast 20 near noon Sunday. Wind veering to southwest 20 Sunday evening.

Periods of rain or snow Sunday. Risk of thunderstorms Sunday afternoon and evening. Fog patches forming Sunday evening.

Waves

Issued 06:30 PM EDT 11 April 2026
Tonight and Sunday. Over open water waves 0.5 metres or less building to 0.5 to 1 Sunday morning and to 1 to 1.5 Sunday afternoon.

Extended Forecast

Issued 06:30 PM EDT 11 April 2026
Monday Wind southwest 25 knots diminishing to southwest 15 in the afternoon.
Tuesday Wind east 15 knots becoming variable 15 late in the day.
Wednesday Wind southeast 15 knots veering to southwest 20 late in the day.

Ice Forecast*

Issued 12:00 PM EDT 11 April 2026 Today Tonight and Sunday 1 tenth thick lake ice. Consolidated rotten thick lake ice along parts of the shore.

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

 

[ Canadian Ice Service ]

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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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 11 April 2026 Today Tonight and Sunday

Ice Coverage

1 tenth thick lake ice. Consolidated rotten thick lake ice along
parts of the shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 11 April 2026 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line north-south over
Georgian Bay.
By 6:30 p.m. EDT Sunday ridge located on a line northeast-southwest
over New England.

At 6:30 p.m. EDT tonight low located over eastern Montana.
By 6:30 p.m. EDT Sunday low located over southeastern Manitoba.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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