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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 07 October 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind southwest 20 knots diminishing to southwest 10 near midnight then increasing to southwest 15 Thursday morning. Wind diminishing to southwest 10 Thursday evening.

Scattered showers tonight and Thursday. Risk of thunderstorms tonight and Thursday afternoon.

Extended Forecast

Issued 06:30 PM EDT 07 October 2026
Friday Wind light becoming west 15 knots in the afternoon then diminishing to light late in the day.
Saturday Wind light.
Sunday Wind light becoming southwest 15 knots.

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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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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Kingston to Cornwall

Issued 6:30 PM EDT 07 October 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 6:30 PM EDT 7 October 2026 Tonight and Thursday At 6:30 p.m. EDT tonight quasi-stationary low 994 mb located near
James Bay.

At 6:30 p.m. EDT tonight cold front from low located on a line
northeast-southwest over southern Ontario.
By 6:30 p.m. EDT Thursday cold front from low located near the
Maritimes.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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