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L'Isle-aux-Coudres to Tadoussac

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 June 2025

Today Tonight and Sunday.

Wind southwest 10 to 15 knots becoming light early this evening then becoming northeast 10 to 15 near noon Sunday.

Showers overnight and Sunday. Visibility as low as 1 mile in showers.

Waves

Issued 03:00 AM EDT 21 June 2025
Today Tonight and Sunday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 20 June 2025
Sunday Wind light increasing to northeast 20 to 30 knots in the afternoon.
Monday Wind northeast 10 to 15 knots becoming southwest 10 to 15.
Tuesday Wind light increasing to southwest 15 to 25 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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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 21 June 2025 Today Tonight and Sunday At 3:00 a.m. EDT today low 995 mb located near Gaspé.
By 5:00 a.m. EDT Sunday low 998 mb located off Labrador.

At 3:00 a.m. EDT today ridge located from James Bay to Lake Ontario.
By 8:00 p.m. EDT Sunday weakening ridge located on a line
north-south over Newfoundland.

At 8:00 p.m. EDT tonight low located over southern James Bay.
By 8:00 p.m. EDT Sunday weakening low located over New Brunswick.

St. Lawrence - St. Lawrence River Area

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