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Kingston to Cornwall

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Marine Forecast

Issued 10:30 AM EST 12 December 2025

Today Tonight and Saturday.

Wind southwest 15 knots diminishing to southwest 10 early this evening then becoming light near midnight. Wind increasing to southwest 15 early Saturday morning and to southwest 20 near noon Saturday. Wind diminishing to west 10 Saturday evening.

Snow Saturday. Visibility 1 mile or less in snow.

Extended Forecast

Issued 03:00 AM EST 12 December 2025
Sunday Wind light becoming northwest 15 knots in the morning.
Monday Wind light.
Tuesday Wind west 15 knots diminishing to 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 10:30 AM EST 12 December 2025 Today Tonight and Saturday At 10:30 a.m. EST today ridge located on a line north-south over
Lake Huron.
By 10:30 a.m. EST Saturday ridge located on a line north-south
over southern Quebec.

At 10:30 a.m. EST today trough located on a line north-south over
Lake Nipigon.
By 10:30 a.m. EST Saturday low 1006 mb located over northeastern
Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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