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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 11 June 2026

Tonight and Friday.

Strong wind warning in effect.

Wind light increasing to southwest 10 to 15 knots early Friday morning and to southwest 15 to 25 Friday afternoon.

Scattered showers this afternoon tonight and Friday morning. Risk of thunderstorms late this afternoon and this evening. Showers Friday afternoon and evening with a risk of thunderstorms. Fog banks forming overnight and dissipating Friday morning. Visibility as low as 1 mile in showers and 1 mile or less in fog banks.

Extended Forecast

Issued 06:00 PM EDT 11 June 2026
Saturday Wind southwesterly 15 knots.
Sunday Wind southwesterly 15 knots increasing to southwest 15 to 25.
Monday 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

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 3:00 PM EDT 11 June 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 11 June 2026 Tonight and Friday At 3:00 p.m. EDT today quasi-stationary trough located on a line
northwest-southeast over Québec city.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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