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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 16 February 2026

Tonight and Tuesday.

Wind light becoming southwest 10 knots near midnight then veering to west 10 early Tuesday morning. Wind backing to southwest 10 near noon Tuesday then becoming light Tuesday evening.

Scattered showers tonight.

Waves

Issued 06:30 PM EST 16 February 2026
Tonight and Tuesday. Over open water waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EST 16 February 2026
Wednesday Wind northeast 15 knots increasing to northeast 25 in the morning.
Thursday Wind northeast 20 knots.
Friday Wind east 25 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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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 6:30 PM EST 16 February 2026 Tonight and Tuesday At 6:30 p.m. EST tonight trough located on a line
northeast-southwest over Whitefish Bay.
By 6:30 p.m. EST Tuesday departing trough located on a line
north-south over Quebec.

At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over Lake of the Woods.
By 6:30 p.m. EST Tuesday ridge located on a line northwest-southeast
over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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