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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 08 December 2024

Today Tonight and Monday.

Wind southeast 15 to 20 knots becoming west 15 to 25 late this morning then becoming northwest 15 early this evening. Wind diminishing to light near midnight then increasing to northeast 15 to 25 Monday morning. Wind becoming northeast 20 to 30 Monday evening.

Snow this morning changing to periods of drizzle and ending this afternoon. Snow Monday late in the day. Visibility 1 mile or less in snow.

High today plus 4. Low tonight minus 11. High Monday minus 5.

Extended Forecast

Issued 06:00 PM EST 07 December 2024
Monday Wind light becoming northeast 15 knots in the afternoon.
Tuesday Wind northeast 20 knots.
Wednesday Wind northeast 10 to 15 knots backing to northwest 15 late in the day.

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Map of Great Lakes - Lake Huron 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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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 8 December 2024 Today Tonight and Monday At 3:00 a.m. EST today low 994 mb located northeast of Lake Huron.
By 7:00 p.m. EST Monday low 991 mb located off Labrador.

At 5:00 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 Huron Area

Another Region

Marine Weather for Canada

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