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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 18 May 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind northeast 10 to 20 knots increasing to northeast 20 to 30 early this afternoon then diminishing to northeast 10 to 20 near midnight. Wind becoming northeast 15 to 25 near noon Monday then becoming northeast 15 Monday evening.

Showers. Fog patches dissipating this morning. Visibility 1 mile or less in fog patches and as low as 1 mile in showers.

Waves

Issued 03:00 PM EDT 17 May 2025
Tonight and Sunday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 17 May 2025
Monday Wind northeast 15 knots increasing to northeast 15 to 25 late in the day.
Tuesday Wind northeast 15 to 25 knots.
Wednesday 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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land station Land Station
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 18 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 18 May 2025 Today Tonight and Monday At 3:00 a.m. EDT today low 994 mb located southwest of Lake
Saint-Jean.
By 8:00 p.m. EDT Monday low 999 mb located south of Nova Scotia.

At 8:00 p.m. EDT tonight ridge located on a line north-south over
the western Great Lakes.
By 8:00 p.m. EDT Monday ridge located on a line north-south over
Lake Huron.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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