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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 15 February 2026

Today Tonight and Monday.

Wind southeast 15 knots diminishing to south 10 late overnight then increasing to southeast 15 Monday morning. Wind diminishing to variable 10 Monday evening.

Scattered flurries this afternoon and this evening. Scattered flurries or scattered showers late Monday afternoon changing to scattered showers.

Waves

Issued 10:30 AM EST 15 February 2026
Today Tonight and Monday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 15 February 2026
Tuesday Wind light.
Wednesday Wind east 15 knots increasing to east 25.
Thursday Wind northeast 20 knots.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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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 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 15 February 2026 Today Tonight and Monday At 10:30 a.m. EST today ridge located on a line northeast-southwest
over eastern Ontario.
By 10:30 a.m. EST Monday ridge located from New Brunswick to the
St. Lawrence River then to Kentucky.

At 10:30 a.m. EST today quasi-stationary low 1010 mb located over
Lake Superior.

At 10:30 a.m. EST today trough located on a line northwest-southeast
over southern Manitoba.
By 10:30 a.m. EST Monday trough located on a line
northeast-southwest over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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