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Cornwall to Montréal

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Marine Forecast

Issued 03:00 AM EST 08 December 2025

Today Tonight and Tuesday.

Wind westerly 15 knots diminishing to light near midnight then becoming southeast 10 to 15 Tuesday afternoon.

Snow Tuesday evening.

Temperatures near minus 12.

Extended Forecast

Issued 06:00 AM EST 08 December 2025
Wednesday Wind light becoming northeast 10 to 15 knots in the afternoon.
Thursday Wind northeast 15 knots increasing to northwest 15 to 25.
Friday Wind northwest 15 to 25 knots diminishing to light late in the day.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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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 8 December 2025 Today Tonight and Tuesday At 3:00 a.m. EST today dissipating trough located on a line
north-south over the Quebec Lower North Shore.

At 3:00 a.m. EST today ridge located from Lake Huron to Lake
Saint-Jean.
By 7:00 p.m. EST Tuesday ridge located from the East Coast of the
U.S. to the Gulf of St. Lawrence.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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