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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 18 July 2026

Tonight and Sunday.

Wind southwest 15 knots veering to northwest 15 this evening then diminishing to west 10 near noon Sunday. Wind becoming light Sunday evening.

Scattered showers this evening with a risk of thunderstorms.

Extended Forecast

Issued 06:30 PM EDT 18 July 2026
Monday Wind light.
Tuesday Wind light becoming south 15 knots.
Wednesday Wind southwest 15 knots diminishing to light late in the day.

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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 AM EDT 19 July 2026 Today Tonight and Monday At 3:00 a.m. EDT today low 997 mb located over eastern Quebec.
By 3:00 a.m. EDT Monday low 988 mb located south of Labrador.

At 3:00 a.m. EDT today ridge located on a line north-south over
northwestern Ontario.
By 3:00 a.m. EDT Monday ridge located on a line north-south over
southern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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