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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EST 25 November 2020

Today Tonight and Thursday.

Wind light becoming southeast 10 to 15 knots early this morning then becoming light early this evening. Wind becoming northeast 15 Thursday morning.

Snow ending this afternoon. Periods of rain overnight and Thursday. Risk of freezing rain late overnight. Visibility 1 mile or less in snow.

Temperatures minus 7 rising to plus 6 Thursday afternoon.

Extended Forecast

Issued 06:00 PM EST 24 November 2020
Thursday Wind light.
Friday Wind southwest 15 to 25 knots.
Saturday Wind southwest 15 to 25 knots.

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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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Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 25 November 2020 Today Tonight and Thursday At 3:00 a.m. EST today high located over Maine.
By 7:00 p.m. EST tonight departing high located southeast of
Newfoundland.

At 7:00 p.m. EST tonight building high located over Tadoussac.
By 7:00 p.m. EST Thursday high located over the Strait of Belle
Isle.

At 3:00 a.m. EST today low 1004 mb located over the Midwestern
states.
By 10:00 a.m. EST Thursday dissipating low 1011 mb located over
Lake Huron.

Great Lakes - Lake Huron Area

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Heading to Banff or Jasper National Parks this winter?

Go prepared with Highway 93 forecasts. North and South highway regions are available in the Alberta text forecast bulletin. (Photo by: Natalie Anderson)

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