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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 17 February 2026

Tonight and Wednesday.

Wind southwest 10 knots becoming light this evening then increasing to northeast 15 late overnight. Wind increasing to northeast 20 Wednesday morning.

Snow Wednesday with a risk of freezing rain. Fog patches dissipating late overnight. Visibility 1 mile or less in fog patches and in snow.

Waves

Issued 06:30 PM EST 17 February 2026
Tonight and Wednesday. Over open water waves 0.5 metres or less building to 0.5 to 1 Wednesday morning.

Extended Forecast

Issued 06:30 PM EST 17 February 2026
Thursday Wind northeast 20 knots.
Friday Wind east 25 knots veering to south 20 late in the day.
Saturday Wind southwest 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 17 February 2026 Tonight and Wednesday At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over Georgian Bay.
By 6:30 p.m. EST Wednesday ridge located on a line
northwest-southeast over western Quebec.

At 6:30 p.m. EST tonight low 985 mb located over South Dakota.
By 6:30 p.m. EST Wednesday low 990 mb located over eastern
Minnesota.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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