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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 26 April 2025

Tonight and Sunday.

Wind northeast 15 knots backing to northwest 10 to 15 early this evening then increasing to northwest 15 to 20 near midnight. Wind northwest 15 to 20 Sunday.

Rain ending near noon Sunday. Visibility as low as 1 mile in rain.

Extended Forecast

Issued 06:00 PM EDT 26 April 2025
Monday Wind light becoming southwest 10 to 15 knots in the afternoon.
Tuesday Wind light increasing to southwest 20 to 30 knots.
Wednesday Wind westerly 20 to 30 knots diminishing to northwest 15 to 20.

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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 PM EDT 26 April 2025 Tonight and Sunday At 3:00 p.m. EDT today low 1002 mb located near Montréal.
By 8:00 p.m. EDT Sunday low 1003 mb located over Nova Scotia.

At 8:00 p.m. EDT Sunday approaching high 1025 mb located over
Lake Erie.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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