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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 11 May 2025

Today Tonight and Monday.

Wind northwest 10 to 15 knots becoming light this morning then becoming southwest 10 to 15 Monday morning. Wind diminishing to light Monday afternoon then becoming northeast 10 to 15 Monday evening.

Extended Forecast

Issued 06:00 PM EDT 10 May 2025
Monday Wind light becoming southwest 15 knots in the morning then diminishing to light late in the day.
Tuesday Wind light.
Wednesday Wind southerly 10 to 15 knots.

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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 Saint-Hubert 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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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 EDT 11 May 2025 Today Tonight and Monday At 3:00 a.m. EDT today low 996 mb located north of
Îles-de-la-Madeleine.
By 8:00 p.m. EDT Monday low 990 mb located over Labrador Sea.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over the Great Lakes.
By 8:00 p.m. EDT Monday ridge located on a line north-south over
Trois-Rivières.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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