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Cornwall to Montréal


Marine Forecast

Issued 03:00 AM EST 09 December 2022

Today Tonight and Saturday.

Wind light increasing to northeast 15 to 20 knots early this evening then becoming northeast 15 to 25 Saturday morning.

Temperatures minus 7 falling to minus 9 Saturday morning.

Extended Forecast

Issued 06:00 PM EST 08 December 2022
Saturday Wind northeast 15 to 25 knots.
Sunday Wind northeast 15 knots.
Monday Wind northeast 15 knots diminishing to light.

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Weather Conditions

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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.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM EST 9 December 2022 Today Tonight and Saturday At 3:00 a.m. EST today trough located on a line north-south over
Havre Saint-Pierre.
By 7:00 p.m. EST tonight dissipating trough located on a line
north-south over the Quebec Lower North Shore.

At 3:00 a.m. EST today high 1032 mb located over Ontario.
By 7:00 p.m. EST Saturday high 1047 mb located over Quebec.

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