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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 May 2025

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northeast 10 to 15 knots increasing to northeast 15 to 25 near noon then becoming northeast 15 this evening. Wind increasing to northeast 15 to 25 Tuesday morning.

Periods of rain ending near noon Tuesday. Visibility as low as 1 mile in rain.

Waves

Issued 03:00 AM EDT 19 May 2025
Today Tonight and Tuesday. Seas 1 metre or less building to 1 to 2 Tuesday morning.

Extended Forecast

Issued 06:00 AM EDT 19 May 2025
Wednesday Wind northeast 15 to 25 knots.
Thursday Wind northeast 20 to 30 knots.
Friday Wind northeast 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

Warnings (In effect)

Strong wind warning in effect

L'Isle-aux-Coudres to Tadoussac

Issued 09:41 AM EDT 19 May 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 19 May 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today low 994 mb located over New Brunswick.
By 8:00 p.m. EDT Tuesday low 1002 mb located off Nova Scotia.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 8:00 p.m. EDT tonight ridge located on a line north-south
over Montréal.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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