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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 03 December 2024

Today Tonight and Wednesday.

Wind light becoming west 10 to 15 knots near noon then becoming light early this evening. Wind increasing to southwest 10 to 15 near midnight and to southerly 15 to 25 Wednesday morning.

Scattered flurries ending this morning. Snow Wednesday afternoon and evening. Visibility as low as 1 mile in precipitation.

High today minus 1. Low tonight minus 7. High Wednesday minus 1.

Extended Forecast

Issued 06:00 AM EST 03 December 2024
Thursday Wind southeast 15 knots becoming west 15 in the afternoon.
Friday Wind west 20 to 30 knots diminishing to southwest 15 late in the day.
Saturday Wind southwest 15 knots diminishing to 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 3 December 2024 Today Tonight and Wednesday At 3:00 a.m. EST today trough located from the Strait of Belle
Isle to Pointe-des-Monts.
By 1:00 a.m. EST Wednesday dissipating trough from low located on
a line northeast-southwest over Newfoundland.

At 3:00 a.m. EST today ridge located over Manitoba.
By 7:00 p.m. EST Wednesday ridge located from Labrador to the Gulf
of St. Lawrence.

At 7:00 p.m. EST tonight intensifying low 1006 mb located over
northwestern Ontario.
By 7:00 p.m. EST Wednesday low 995 mb located over northern
Lake Huron.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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