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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 21 December 2024

Today Tonight and Sunday.

Wind northerly 10 to 15 knots backing to west 10 to 15 near midnight then becoming light Sunday evening.

Periods of snow ending early this morning. Visibility as low as 1 mile in snow.

High today minus 9. Low tonight minus 17. High Sunday minus 12.

Extended Forecast

Issued 06:00 AM EST 21 December 2024
Monday Wind light.
Tuesday Wind light.
Wednesday Wind northeast 10 to 15 knots.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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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 3:00 AM EST 21 December 2024 Today Tonight and Sunday At 3:00 a.m. EST today ridge located on a line east-west over
James Bay.
By 7:00 p.m. EST Sunday ridge located on a line northeast-southwest
over Lake Ontario.

At 3:00 a.m. EST today low 992 mb located southeast of Nova Scotia.
By 7:00 a.m. EST Sunday departing low 965 mb located over Labrador
Sea.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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