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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 16 February 2026

Today Tonight and Tuesday.

Wind light becoming southwest 10 knots this afternoon then increasing to southwest 15 near midnight. Wind diminishing to west 10 early Tuesday morning then becoming light near noon Tuesday. Wind becoming east 10 Tuesday evening.

Scattered showers tonight.

Waves

Issued 10:30 AM EST 16 February 2026
Today Tonight and Tuesday. Waves 0.5 metres or less building to 0.5 to 1 late overnight then subsiding to 0.5 or less Tuesday morning.

Extended Forecast

Issued 03:00 AM EST 16 February 2026
Wednesday Wind east 20 knots.
Thursday Wind northeast 15 knots.
Friday Wind east 20 knots increasing to east 25.

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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 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 16 February 2026 Today Tonight and Tuesday At 10:30 a.m. EST today trough located on a line northeast-southwest
over Lake Superior.
By 10:30 a.m. EST Tuesday departing trough located on a line
north-south over eastern Ontario.

At 10:30 a.m. EST today ridge located on a line northwest-southeast
over Saskatchewan.
By 10:30 a.m. EST Tuesday approaching ridge located on a line
northwest-southeast over Lake Superior.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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