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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 11 December 2023

Tonight and Tuesday.

Wind westerly 15 to 25 knots diminishing to southwest 10 to 15 late overnight then increasing to southwest 15 to 25 near noon Tuesday.

Snow this afternoon. Visibility 1 mile or less in snow.

Low tonight minus 6. High Tuesday plus 3.

Extended Forecast

Issued 06:00 AM EST 11 December 2023
Wednesday Wind west 15 to 25 knots.
Thursday Wind southwesterly 15 knots.
Friday Wind southwest 15 to 25 knots.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 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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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 3:00 PM EST 11 December 2023 Tonight and Tuesday At 3:00 p.m. EST today intensifying low 992 mb located over Gaspé.
By 1:00 p.m. EST Tuesday departing low 984 mb located over
Labrador Sea.

At 3:00 p.m. EST today ridge located on a line north-south over
northern Ontario.
By 7:00 p.m. EST Tuesday ridge located on a line north-south over
Anticosti Island.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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