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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 08 February 2026

Today Tonight and Monday.

Wind northwest 15 knots diminishing to north 10 near midnight then becoming light early Monday morning.

Scattered flurries ending this evening. Scattered flurries Monday afternoon and evening.

Waves

Issued 10:30 AM EST 08 February 2026
Today Tonight and Monday. Over open water waves 0.5 to 1 metre subsiding to 0.5 or less near midnight.

Extended Forecast

Issued 03:00 AM EST 08 February 2026
Tuesday Wind light becoming southeast 15 knots in the morning then becoming west 15 late in the day.
Wednesday Wind northwest 20 knots.
Thursday Wind northwest 15 knots diminishing to light.

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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 8 February 2026 Today Tonight and Monday At 10:30 a.m. EST today ridge located on a line north-south over
northeastern Ontario.
By 10:30 a.m. EST Monday ridge located on a line north-south over
Lake Ontario.

At 10:30 a.m. EST today low 1003 mb located over Saskatchewan.
By 10:30 a.m. EST Monday low 1003 mb located over the Ontario -
Manitoba border.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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