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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 06:17 PM EDT 07 June 2026

Tonight and Monday.

Wind northeast 10 to 15 knots becoming light this evening. Wind light Monday.

Extended Forecast

Issued 06:00 PM EDT 07 June 2026
Tuesday Wind light.
Wednesday Wind light.
Thursday Wind light becoming southwest 10 to 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 7 June 2026 Tonight and Monday At 3:00 p.m. EDT today low 1003 mb located near Cape Breton Island.
By 8:00 p.m. EDT Monday departing low 1002 mb located off
Newfoundland.

At 3:00 p.m. EDT today high 1019 mb located near Lake Superior.
By 8:00 p.m. EDT Monday high 1025 mb located 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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