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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 May 2025

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northeast 10 to 15 knots increasing to northeast 15 to 25 this morning then diminishing to northeast 10 to 15 near midnight. Wind increasing to northeast 15 to 25 Thursday morning then diminishing to northeast 10 to 15 Thursday evening.

Waves

Issued 03:00 AM EDT 21 May 2025
Today Tonight and Thursday. Seas 1 metre or less building to 1 to 2 near noon then subsiding to 1 or less overnight. Seas building to 1 to 2 near noon Thursday.

Extended Forecast

Issued 06:00 PM EDT 20 May 2025
Thursday Wind northeast 20 to 30 knots.
Friday Wind northeast 20 to 30 knots.
Saturday 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 03:00 AM EDT 21 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 21 May 2025 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line north-south over
Tadoussac.
By 8:00 p.m. EDT Thursday ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 3:00 a.m. EDT today low 1004 mb located south of Lake Michigan.
By 8:00 p.m. EDT tonight quasi-stationary low 1002 mb located over
Lake Erie.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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