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Kingston to Cornwall

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Forecast

Marine Forecast

Issued 06:30 PM EST 06 December 2025

Tonight and Sunday.

Wind southwest 15 knots diminishing to west 10 this evening then becoming light late overnight. Wind becoming northeast 10 Sunday afternoon then backing to north 10 Sunday evening.

Flurries this evening. Snow Sunday afternoon and evening. Visibility 1 mile or less in snow.

Extended Forecast

Issued 06:30 PM EST 06 December 2025
Monday Wind light.
Tuesday Wind light becoming south 15 knots.
Wednesday Wind south 15 knots diminishing to light.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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buoy Buoy
land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 6 December 2025 Tonight and Sunday At 6:30 p.m. EST tonight departing cold front located on a line
north-south over Ottawa.

At 6:30 p.m. EST tonight disturbance located over Iowa.
By 6:30 p.m. EST Sunday low 1015 mb located east of Lake Ontario.

At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over Saskatchewan.
By 6:30 p.m. EST Sunday ridge located on a line north-south over
Lake of the Woods.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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