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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EST 07 December 2021

Tonight and Wednesday.

Wind west 15 to 25 knots diminishing to light early this evening then becoming northeast 10 to 15 early Wednesday morning. Wind becoming light Wednesday evening.

Periods of snow Wednesday. Visibility as low as 1 mile in snow.

Low tonight minus 13. High Wednesday minus 6.

Extended Forecast

Issued 06:00 PM EST 07 December 2021
Thursday Wind southwest 10 to 15 knots.
Friday Wind southwest 10 to 15 knots.
Saturday Wind southeast 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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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 7 December 2021 Tonight and Wednesday At 3:00 p.m. EST today departing low 957 mb located over Labrador
Sea.

At 3:00 p.m. EST today high 1027 mb located over the Midwestern
states.
By 7:00 p.m. EST Wednesday high 1025 mb located northwest of
Sept-Îles.

At 7:00 a.m. EST Wednesday trough located on a line
northeast-southwest over Lake Huron.
By 7:00 p.m. EST Wednesday trough located on a line
northeast-southwest over western Quebec.

Great Lakes - Lake Erie and Lake Ontario Area

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