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Saguenay to Tadoussac

Forecast

Marine Forecast

Issued 03:00 PM EDT 04 September 2026

Tonight and Saturday.

Wind light increasing to east 15 to 20 knots early Saturday morning then diminishing to light Saturday evening.

Showers. Risk of thunderstorms late this afternoon and this evening. Fog banks forming near midnight and dissipating Saturday morning.

Extended Forecast

Issued 06:00 PM EDT 04 September 2026
Sunday Wind light becoming west 15 knots in the morning.
Monday Wind west 15 to 25 knots.
Tuesday Wind west 15 knots diminishing to light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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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 PM EDT 4 September 2026 Tonight and Saturday At 3:00 p.m. EDT today trough located on a line northwest-southeast
over Tadoussac.
By 8:00 p.m. EDT Saturday trough located on a line
northeast-southwest over southern Newfoundland.

At 3:00 p.m. EDT today ridge located on a line northwest-southeast
over Lake Huron.
By 8:00 p.m. EDT Saturday ridge located on a line
northeast-southwest over Labrador.

St. Lawrence - St. Lawrence River Area

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