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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 12 May 2026

Today Tonight and Wednesday.

Wind light becoming southeast 10 knots late overnight then increasing to southeast 15 Wednesday morning. Wind diminishing to southwest 10 Wednesday afternoon.

Periods of rain overnight and Wednesday.

Extended Forecast

Issued 03:00 AM EDT 12 May 2026
Thursday Wind light.
Friday Wind light.
Saturday Wind light.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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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 10:30 AM EDT 12 May 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today ridge located on a line north-south over
southern Ontario.
By 10:30 a.m. EDT Wednesday ridge located on a line north-south
over Quebec.

At 10:30 a.m. EDT today low 1003 mb located over Minnesota.
By 10:30 a.m. EDT Wednesday low 1003 mb located over northern
Lake Huron.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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