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Kingston to Cornwall

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Marine Forecast

Issued 03:00 AM EST 09 December 2025

Today Tonight and Wednesday.

Wind light becoming south 10 knots this morning then increasing to south 15 early this evening. Wind diminishing to south 10 overnight then increasing to south 15 Wednesday afternoon. Wind veering to west 15 Wednesday evening.

Snow tonight and Wednesday. Visibility 1 mile or less in snow.

Extended Forecast

Issued 03:00 AM EST 09 December 2025
Thursday Wind northwest 15 knots diminishing to light late in the day.
Friday Wind light.
Saturday Wind light.

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Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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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 EST 9 December 2025 Today Tonight and Wednesday At 3:00 a.m. EST today departing ridge located on a line
northeast-southwest over eastern Ontario.

At 3:00 a.m. EST today low 1006 mb located west of Lake Superior.
By 3:00 a.m. EST Wednesday dissipating low 1001 mb located over
northeastern Ontario.

By 3:00 a.m. EST Wednesday approaching low 989 mb located over
Wisconsin.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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