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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 May 2026

Today Tonight and Tuesday.

Wind light becoming southwest 10 knots near midnight then increasing to southwest 15 Tuesday morning.

Scattered showers overnight with a risk of thunderstorms. Showers Tuesday afternoon and evening with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM EDT 18 May 2026
Wednesday Wind light becoming northwest 15 knots in the afternoon.
Thursday Wind light.
Friday Wind light.

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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 10:30 AM EDT 18 May 2026 Today Tonight and Tuesday At 10:30 a.m. EDT today low 1004 mb located over western Wisconsin.
By 10:30 a.m. EDT Tuesday departing low 1004 mb located over
northeastern Ontario.

At 10:30 a.m. EDT today low 1001 mb located over Colorado.
By 10:30 a.m. EDT Tuesday cold front located on a line north-south
over Wisconsin.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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