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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 24 January 2026

Today Tonight and Sunday.

Wind north 15 knots diminishing to variable 10 early this morning then increasing to southeast 15 overnight. Wind backing to east 20 near noon Sunday then to northeast 15 Sunday evening.

Scattered flurries tonight and Sunday. Visibility 1 mile or less in flurries.

Waves

Issued 03:00 AM EST 24 January 2026
Today Tonight and Sunday. Over open water waves 0.5 metres building to 0.5 to 1 Sunday morning and to 1 to 1.5 Sunday afternoon. Waves subsiding to 0.5 to 1 Sunday evening.

Extended Forecast

Issued 03:00 AM EST 24 January 2026
Monday Wind northeast 15 knots backing to northwest 15 in the morning then to west 20 late in the day.
Tuesday Wind southwest 20 knots veering to northwest 20.
Wednesday Wind northwest 15 knots diminishing to light.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

Warnings (Ended)

Freezing spray warning ended

Northern Georgian Bay

Issued 03:00 AM EST 24 January 2026
Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 24 January 2026 Today Tonight and Sunday At 3:00 a.m. EST today ridge located from Minnesota to Pennsylvania.
By 3:00 a.m. EST Sunday ridge located from Wisconsin to New
York State.

At 3:00 a.m. EST today quasi-stationary low located over Lake
Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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