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Saguenay to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 12 July 2026

Tonight and Monday.

Wind west 10 to 20 knots diminishing to light early this evening then increasing to west 10 to 20 near noon Monday.

Scattered showers overnight and Monday with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 12 July 2026
Tuesday Wind west 10 to 20 knots.
Wednesday Wind west 10 to 20 knots increasing to west 20 to 30 late in the day.
Thursday Wind west 20 to 30 knots diminishing to west 10 to 20.

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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 - Quai de St-Jean 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 PM EDT 12 July 2026 Tonight and Monday At 3:00 p.m. EDT today departing ridge located on a line north-south
over southern Quebec.

At 3:00 p.m. EDT today trough located on a line north-south over
northern Ontario.
By 8:00 p.m. EDT Monday trough located from Montréal to Labrador.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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