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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 17 March 2026

Today Tonight and Wednesday.

Wind southwest 25 knots increasing to southwest 30 early this morning then diminishing to west 20 near noon. Wind diminishing to southwest 10 this evening then becoming light overnight. Wind becoming south 10 near noon Wednesday.

Snow changing to scattered flurries early this morning and ending this evening. Visibility 1 mile or less in precipitation.

Extended Forecast

Issued 03:00 AM EDT 17 March 2026
Thursday Wind southwest 15 knots diminishing to light in the afternoon.
Friday Wind light.
Saturday Wind light becoming southwest 15 knots late in the day.

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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 3:00 AM EDT 17 March 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today low 977 mb located over central Quebec.
By 3:00 a.m. EDT Wednesday departing low 953 mb located over
northern Quebec.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lake of the Woods.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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