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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 15 June 2026

Tonight and Tuesday.

Wind west 15 knots diminishing to southwest 10 this evening then becoming light near noon Tuesday. Wind becoming south 10 Tuesday evening.

Waves

Issued 06:30 PM EDT 15 June 2026
Tonight and Tuesday. Waves 0.5 to 1 metre subsiding to 0.5 or less near midnight.

Extended Forecast

Issued 06:30 PM EDT 15 June 2026
Wednesday Wind light becoming southeast 15 knots late in the day.
Thursday Wind south 25 knots veering to west 25 late in the day.
Friday Wind west 20 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 17 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 15 June 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight trough located from James Bay to Minnesota.
By 6:30 p.m. EDT Tuesday trough located on a line
northeast-southwest over eastern Lake Superior.

At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over Lake Erie.
By 6:30 p.m. EDT Tuesday departing ridge located on a line
northeast-southwest over the East Coast of the U.S.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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