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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 15 February 2026

Tonight and Monday.

Wind northeast 15 knots diminishing to northeast 10 near midnight then becoming light Monday morning.

Scattered flurries tonight. Scattered showers Monday evening.

Waves

Issued 06:30 PM EST 15 February 2026
Tonight and Monday. Over open water waves 0.5 to 1 metre subsiding to 0.5 or less late overnight.

Extended Forecast

Issued 06:30 PM EST 15 February 2026
Tuesday Wind southwest 15 knots diminishing to light in the morning.
Wednesday Wind east 20 knots.
Thursday Wind northeast 15 knots.

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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 6:30 PM EST 15 February 2026 Tonight and Monday At 6:30 p.m. EST tonight ridge located on a line northeast-southwest
over eastern Ontario.
By 6:30 p.m. EST Monday departing ridge located on a line east-west
over southern Quebec.

At 6:30 p.m. EST tonight trough located on a line
northwest-southeast over northwestern Ontario.
By 6:30 p.m. EST Monday trough located from James Bay to Lake Huron.

At 6:30 p.m. EST tonight ridge located on a line northeast-southwest
over Missouri.
By 6:30 p.m. EST Monday approaching ridge located on a line
north-south over southern Michigan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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