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Kingston to Cornwall

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Marine Forecast

Issued 03:00 AM EST 13 December 2025

Today Tonight and Sunday.

Wind light becoming south 10 knots early this morning then increasing to south 15 late this morning. Wind veering to southwest 20 this afternoon then diminishing to southwest 10 this evening. Wind becoming light near midnight then becoming northwest 10 near noon Sunday.

Periods of snow today and this evening. Visibility as low as 1 mile in snow.

Extended Forecast

Issued 03:00 AM EST 13 December 2025
Monday Wind light becoming southwest 15 knots late in the day.
Tuesday Wind southwest 15 knots diminishing to light.
Wednesday Wind southwest 20 knots diminishing to light late in the day.

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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 13 December 2025 Today Tonight and Sunday At 3:00 a.m. EST today departing ridge located on a line north-south
over Montréal.

At 3:00 a.m. EST today low 1003 mb located over northeastern
Ontario.
By 3:00 a.m. EST Sunday low 1013 mb located over eastern Quebec.

At 3:00 a.m. EST today high 1039 mb located over southern
Saskatchewan.
By 3:00 a.m. EST Sunday approaching high 1045 mb located over
southeastern South Dakota.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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