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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 04 December 2024

Today Tonight and Thursday.

Wind light increasing to southwest 10 to 15 knots early this morning and to southerly 15 to 25 near noon. Wind diminishing to southeast 10 to 15 near midnight then becoming light overnight. Wind increasing to northwest 15 to 25 Thursday evening.

Snow this afternoon tonight and Thursday. Visibility 1 mile or less in snow.

Temperatures minus 6 rising to zero this afternoon.

Extended Forecast

Issued 06:00 AM EST 04 December 2024
Friday Wind west 20 to 30 knots diminishing to west 10 to 20 in the afternoon.
Saturday Wind west 10 to 15 knots becoming light.
Sunday Wind light becoming southwest 10 to 15 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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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 4 December 2024 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line north-south over
Pointe-des-Monts.
By 7:00 p.m. EST Thursday ridge located on a line
northwest-southeast over Labrador Sea.

At 3:00 a.m. EST today intensifying low 1000 mb located north of
Lake Superior.
By 7:00 p.m. EST Thursday low 986 mb located over Chaleur Bay.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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