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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 22 April 2026

Today Tonight and Thursday.

Wind light today tonight and Thursday.

Showers or flurries overnight. Visibility as low as 1 mile in precipitation.

Temperatures near plus 2.

Waves

Issued 03:00 AM EDT 22 April 2026
Today Tonight and Thursday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 22 April 2026
Friday Wind light becoming northeast 10 to 15 knots in the morning.
Saturday Wind northeast 10 to 15 knots.
Sunday Wind light.

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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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 22 April 2026 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line north-south over
the Gaspe Peninsula.
By 8:00 a.m. EDT Thursday dissipating ridge located on a line
north-south over Anticosti Island.

At 3:00 a.m. EDT today trough located on a line north-south over
western Quebec.
By 8:00 a.m. EDT Thursday weakening trough located on a line
north-south over Rimouski.

At 11:00 a.m. EDT today low 1003 mb located southeast of
Newfoundland.
By 8:00 p.m. EDT Thursday low 1003 mb located northwest of the
Strait of Belle Isle.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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