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Kingston to Cornwall

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Marine Forecast

Issued 06:30 PM EDT 12 August 2026

Tonight and Thursday.

Wind southwest 15 knots diminishing to southwest 10 this evening then becoming light near midnight. Wind becoming west 10 near noon Thursday then becoming light Thursday evening.

Scattered showers ending overnight with a risk of thunderstorms. Scattered showers Thursday late in the day with a risk of thunderstorms.

Extended Forecast

Issued 06:30 PM EDT 12 August 2026
Friday Wind light.
Saturday Wind light.
Sunday Wind light.

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Map of Great Lakes - Lake Huron marine weather areas Erieau CFB Trenton Muskoka Airport Parry Sound Harbour Toronto City Centre Airport Lake Simcoe Regional Airport Wiarton Airport Point Petre Lagoon City Western Islands Cobourg Port Colborne Windsor Airport Point Pelee Welland-Pelham Vineland Station Burlington Lift Bridge Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Harrow AAFC Hamilton Munro Int'l Airport Tobermory Sarnia Chris Hadfield Airport Oshawa Executive Airport Collingwood Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Peterborough Municipal Airport Brockville Grenadier Island Kingston Airport
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land station Land Station
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 13 August 2026 Today Tonight and Friday At 3:00 a.m. EDT today quasi-stationary trough located over Iowa
to Michigan.

At 3:00 a.m. EDT today quasi-stationary ridge located on a line
northwest-southeast over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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