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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 22 March 2025

Today Tonight and Sunday.

Wind northwest 15 knots increasing to southwest 15 to 25 early this morning then diminishing to southwest 10 to 15 this afternoon. Wind veering to northwest 10 to 15 after midnight then diminishing to light Sunday morning.

Showers this evening. Flurries overnight. Visibility as low as 1 mile in flurries.

High today plus 4. Low tonight minus 8. High Sunday minus 3.

Waves

Issued 03:00 AM EDT 22 March 2025
Today Tonight and Sunday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 22 March 2025
Monday Wind light increasing to northeast 20 to 30 knots in the morning.
Tuesday Wind light increasing to southwest 15 to 25 knots late in the day.
Wednesday Wind southwest 10 to 15 knots becoming northeast 15.

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Map of St. Lawrence - St. Lawrence River marine weather areas Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport L'Isle-aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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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 March 2025 Today Tonight and Sunday At 3:00 a.m. EDT today low 987 mb located over Prince Edward Island.
By 8:00 p.m. EDT Sunday low 978 mb located over Labrador Sea.

At 3:00 a.m. EDT today dissipating ridge located on a line
north-south over Saguenay River.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Huron.
By 8:00 p.m. EDT Sunday trough located on a line north-south over
Cape Breton Island.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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