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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 14 April 2026

Today Tonight and Wednesday.

Wind northwest 15 knots diminishing to light this morning then increasing to northeast 15 to 25 early this evening. Wind diminishing to light Wednesday morning.

Rain tonight.

Temperatures plus 4 falling to zero overnight.

Waves

Issued 03:00 AM EDT 14 April 2026
Today Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 14 April 2026
Thursday Wind light.
Friday Wind light becoming northeast 15 knots late in the day.
Saturday Wind northeast 15 knots diminishing to light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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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 14 April 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today intensifying ridge from 1021 mb high located
from James Bay to Lake Ontario.
By 8:00 p.m. EDT Wednesday departing ridge located from the Quebec
Lower North Shore to Tadoussac.

At 3:00 a.m. EDT today low 1002 mb located over the Midwestern
states.
By 8:00 p.m. EDT tonight departing low 1008 mb located near
Montréal.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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