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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 May 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind light increasing to northeast 10 to 15 knots this afternoon and to northeast 15 to 25 near noon Thursday.

Periods of rain tonight and Thursday.

Waves

Issued 03:00 AM EDT 13 May 2026
Today Tonight and Thursday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 13 May 2026
Friday Wind northeast 15 knots diminishing to light late in the day.
Saturday Wind light increasing to southwest 15 to 25 knots.
Sunday Wind southwest 15 knots veering to northwest 10 to 15.

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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

Warnings (In effect)

Strong wind warning in effect

L'Isle-aux-Coudres to Tadoussac

Issued 03:00 AM EDT 13 May 2026

'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 13 May 2026 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line north-south over
Saguenay River.
By 8:00 p.m. EDT tonight ridge located on a line northwest-southeast
over the Gulf of St. Lawrence.

At 3:00 a.m. EDT today low 1001 mb located over Lake Huron.
By 8:00 p.m. EDT Thursday low 1005 mb located near Cape Cod.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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