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L'Isle-aux-Coudres to Tadoussac

Forecast

Marine Forecast

Issued 03:00 AM EDT 14 March 2026

Today Tonight and Sunday.

Wind northeast 20 to 30 knots diminishing to northerly 15 to 20 early this evening and to light near midnight. Wind becoming northeast 15 Sunday evening.

Snow today and tonight. Visibility 1 mile or less in snow.

Risk of freezing spray today and early this evening.

Temperatures near minus 4.

Waves

Issued 03:00 AM EDT 14 March 2026
Today Tonight and Sunday. Over open water seas 1 to 2 metres subsiding to 1 or less late this evening.

Extended Forecast

Issued 06:00 AM EDT 14 March 2026
Monday Wind northeast 15 to 25 knots becoming southeasterly 15 in the morning.
Tuesday Wind southwest 15 to 25 knots increasing to southwest 30 to 40.
Wednesday Wind southwest 15 knots.

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Weather Conditions

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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 March 2026 Today Tonight and Sunday At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Anticosti Island.
By 8:00 p.m. EDT tonight departing ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 3:00 a.m. EDT today low 999 mb located west of Cornwall.
By 3:00 a.m. EDT Sunday departing low 996 mb located near
Newfoundland.

At 8:00 p.m. EDT tonight ridge located on a line north-south over
western Quebec.
By 8:00 p.m. EDT Sunday ridge located on a line northwest-southeast
over Pointe-des-Monts.

St. Lawrence - St. Lawrence River Area

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