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Kingston to Cornwall

Forecast

Marine Forecast

Issued 01:05 PM EST 09 November 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind northeast 20 knots diminishing to north 10 this evening then backing to northwest 10 late overnight. Wind backing to west 10 Monday evening.

Periods of snow or freezing rain changing to scattered flurries after midnight.

Extended Forecast

Issued 03:00 AM EST 09 November 2025
Tuesday Wind light becoming west 15 knots in the afternoon.
Wednesday Wind southwest 20 knots.
Thursday Wind west 15 knots diminishing to light late in the day.

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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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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Kingston to Cornwall

Issued 1:05 PM EST 09 November 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 9 November 2025 Today Tonight and Monday At 10:30 a.m. EST today dissipating ridge located on a line
east-west over northern Ontario.

At 10:30 a.m. EST today low 1005 mb located over western
Pennsylvania.
By 10:30 a.m. EST Monday low 1002 mb located over the Eastern
Seaboard.

At 10:30 a.m. EST today trough located south of Hudson Bay.
By 10:30 a.m. EST Monday dissipating cold front located over
eastern Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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