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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 June 2025

Today Tonight and Wednesday.

Wind west 15 knots veering to northerly 10 to 15 near midnight then becoming light Wednesday evening.

Extended Forecast

Issued 06:00 AM EDT 24 June 2025
Thursday Wind northeast 10 to 15 knots.
Friday Wind northeast 10 to 15 knots.
Saturday Wind southeast 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

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 24 June 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northwest-southeast
over Rimouski.
By 8:00 p.m. EDT tonight departing trough located on a line
northwest-southeast over the Strait of Belle Isle.

At 8:00 a.m. EDT today high 1024 mb located over the Midwestern
states.
By 8:00 p.m. EDT Wednesday high 1024 mb located south of James Bay.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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