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Kingston to Cornwall

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Marine Forecast

Issued 11:02 AM EDT 13 August 2026

Today Tonight and Friday.

Wind west 10 knots becoming light early this evening then becoming north 10 Friday afternoon. Wind becoming light Friday evening.

Scattered showers this afternoon and this evening with a risk of thunderstorms.

Extended Forecast

Issued 06:11 AM EDT 13 August 2026
Saturday Wind light.
Sunday Wind light.
Monday Wind light.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Hamilton Munro Int'l Airport CFB Trenton Erieau Toronto City Centre Airport Point Pelee Peterborough Municipal Airport Burlington Lift Bridge Point Petre Cobourg Oshawa Executive Airport South Lake Huron - 45149 Port Colborne Brockville 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 Windsor Airport Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Welland-Pelham Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Sarnia Chris Hadfield Airport Vineland Station Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Tobermory
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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 10:30 AM EDT 13 August 2026 Today Tonight and Friday At 10:30 a.m. EDT today ridge located over Minnesota to Ohio.
By 10:30 a.m. EDT Friday ridge located on a line northwest-southeast
over northern Ontario.

At 10:30 a.m. EDT today departing trough located on a line
northeast-southwest over New England.

By 10:30 a.m. EDT Friday approaching trough from low located on
a line east-west over Ohio.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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