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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 01 May 2025

Today Tonight and Friday.

Wind light becoming northeast 15 knots near midnight then diminishing to light near noon Friday.

Periods of rain Friday.

Waves

Issued 03:00 AM EDT 01 May 2025
Today Tonight and Friday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 30 April 2025
Friday Wind northeast 25 to 35 knots becoming southwest 20 to 30 late in the day.
Saturday Wind southwest 20 to 30 knots diminishing to light late in the day.
Sunday Wind westerly 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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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 EDT 1 May 2025 Today Tonight and Friday At 3:00 a.m. EDT today low 994 mb located over Newfoundland.
By 8:00 p.m. EDT tonight departing low 995 mb located off
Newfoundland.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Lake Saint-Jean.
By 8:00 p.m. EDT Friday departing ridge located on a line
north-south over Labrador Coast.

At 3:00 a.m. EDT today low 1004 mb located over the Midwestern
states.
By 8:00 p.m. EDT Friday low 1001 mb located over Lake Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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