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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 21 May 2026

Tonight and Friday.

Wind northwest 10 to 15 knots becoming light near midnight. Wind light Friday.

Waves

Issued 03:00 PM EDT 21 May 2026
Tonight and Friday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 21 May 2026
Saturday Wind light.
Sunday Wind light.
Monday Wind light.

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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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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 PM EDT 21 May 2026 Tonight and Friday At 3:00 p.m. EDT today departing low 989 mb located northwest of
the Strait of Belle Isle.

At 3:00 p.m. EDT today ridge located from Lake Superior to Québec
city.
By 8:00 p.m. EDT Friday ridge located from James Bay to New England.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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