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Cornwall to Montréal

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Forecast

Marine Forecast

Issued 03:00 AM EST 05 December 2021

Today Tonight and Monday.

Wind light increasing to northeast 15 to 25 knots this evening then veering to southeast 15 to 25 Monday morning. Wind veering to southwest 20 to 30 Monday evening.

Snow beginning this evening changing to freezing rain overnight then to rain Monday morning. Visibility 1 mile or less in snow.

Temperatures minus 9 rising to plus 7 Monday afternoon.

Extended Forecast

Issued 06:00 AM EST 05 December 2021
Tuesday Wind southwest 25 to 35 knots diminishing to west 15 to 25 in the morning and to light in the afternoon.
Wednesday Wind light.
Thursday Wind light.

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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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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 AM EST 5 December 2021 Today Tonight and Monday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over southern Ontario.
By 7:00 p.m. EST tonight ridge located on a line northwest-southeast
over the Strait of Belle Isle.

At 7:00 p.m. EST tonight intensifying low 1001 mb located over
the Midwestern states.
By 7:00 p.m. EST Monday low 988 mb located over Quebec.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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