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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 20 June 2025

Today Tonight and Saturday.

Strong wind warning in effect.

Wind northeast 20 to 30 knots diminishing to northeast 10 to 15 early this morning then becoming light late this morning. Wind increasing to westerly 15 to 20 early this afternoon then diminishing to westerly 10 to 15 late this evening. Wind becoming light Saturday morning then becoming southwest 10 to 15 Saturday afternoon. Wind becoming light Saturday evening.

Rain early this morning changing to showers and ending this evening. Visibility as low as 1 mile in precipitation.

Waves

Issued 03:00 AM EDT 20 June 2025
Today Tonight and Saturday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 19 June 2025
Saturday Wind light.
Sunday Wind light becoming southwest 10 to 15 knots.
Monday Wind southwest 10 to 15 knots becoming northeast 10 to 15.

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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 20 June 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 20 June 2025 Today Tonight and Saturday At 3:00 a.m. EDT today low 998 mb located over Rivière-du-Loup.
By 8:00 p.m. EDT Saturday low 995 mb located off Labrador.

At 3:00 a.m. EDT today ridge located from James Bay to the Great
Lakes.
By 8:00 p.m. EDT Saturday ridge located over Québec city.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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