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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 13 January 2026

Today Tonight and Wednesday.

Wind southwest 15 knots increasing to southwest 15 to 25 early this morning then diminishing to south 10 to 15 early this evening. Wind diminishing to light near midnight then increasing to southwest 15 to 25 Wednesday morning. Wind diminishing to light Wednesday evening.

Snow beginning this evening changing to showers Wednesday morning. Visibility as low as 1 mile in precipitation.

Temperatures minus 7 rising to plus 3 near noon Wednesday.

Waves

Issued 03:00 AM EST 13 January 2026
Today Tonight and Wednesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EST 13 January 2026
Thursday Wind northeast 15 knots increasing to westerly 15 to 25 in the morning.
Friday Wind southwest 15 to 25 knots.
Saturday Wind southwest 15 to 25 knots diminishing to northeast 10 to 15 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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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 13 January 2026 Today Tonight and Wednesday At 3:00 a.m. EST today ridge located over southern Quebec.
By 7:00 p.m. EST tonight weakening ridge located on a line
northwest-southeast over Anticosti Island.

At 7:00 p.m. EST tonight low 991 mb located north of the Great
Lakes.
By 7:00 p.m. EST Wednesday low 997 mb located north of Saguenay
River.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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