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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 14 June 2025

Today Tonight and Sunday.

Wind northeast 15 knots diminishing to northeast 10 this afternoon then becoming light Sunday afternoon.

Waves

Issued 10:30 AM EDT 14 June 2025
Today Tonight and Sunday. Waves 0.5 to 1 metre subsiding to 0.5 or less early this evening and to less than 0.5 Sunday evening.

Extended Forecast

Issued 03:00 AM EDT 14 June 2025
Monday Wind light.
Tuesday Wind light.
Wednesday Wind southwest 15 knots.

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Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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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 EDT 14 June 2025 Today Tonight and Sunday At 10:30 a.m. EDT today quasi-stationary high 1024 mb located over
northeastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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