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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 10 February 2026

Today Tonight and Wednesday.

Wind light becoming southwest 10 knots this afternoon then increasing to west 15 this evening. Wind increasing to west 25 Wednesday morning then veering to northwest 20 Wednesday evening.

Snow ending this morning. Scattered showers or scattered flurries beginning this afternoon and becoming scattered flurries this evening.

Waves

Issued 03:00 AM EST 10 February 2026
Today Tonight and Wednesday. Waves 0.5 metres or less building to 0.5 to 1 near midnight and to 1 to 1.5 Wednesday morning.

Extended Forecast

Issued 03:00 AM EST 10 February 2026
Thursday Wind northwest 15 knots diminishing to light in the afternoon.
Friday Wind light becoming west 15 knots.
Saturday Wind 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 3:00 AM EST 10 February 2026 Today Tonight and Wednesday At 3:00 a.m. EST today departing ridge located on a line north-south
over eastern New York State.

At 3:00 a.m. EST today low 1006 mb located over Lake Nipigon.
By 3:00 a.m. EST Wednesday low 1005 mb located over eastern Ontario.

At 3:00 a.m. EST today ridge located on a line north-south over
Saskatchewan.
By 3:00 a.m. EST Wednesday ridge located on a line north-south
over the Ontario - Manitoba border.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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