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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 08 December 2024

Tonight and Monday.

Wind northwesterly 15 to 25 knots becoming northwest 15 early this evening then diminishing to light near midnight. Wind increasing to northeast 15 to 20 early Monday morning and to northeast 20 to 30 near noon Monday.

Periods of drizzle this afternoon. Snow Monday late in the day. Visibility as low as 1 mile in snow.

Low tonight minus 11. High Monday minus 5.

Extended Forecast

Issued 06:00 AM EST 08 December 2024
Tuesday Wind easterly 15 knots.
Wednesday Wind northeast 15 knots.
Thursday Wind southwest 35 to 45 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 8 December 2024 Tonight and Monday At 3:00 p.m. EST today low 999 mb located over New Brunswick.
By 7:00 p.m. EST Monday low 991 mb located off Labrador.

At 3:00 p.m. EST today ridge located on a line northwest-southeast
over northern Ontario.
By 7:00 p.m. EST Monday ridge located on a line northwest-southeast
over Rimouski.

At 3:00 a.m. EST Monday warm front located on a line east-west
over Lake Superior.
By 7:00 p.m. EST Monday warm front located on a line east-west
over Cornwall.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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