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L'Isle-aux-Coudres to Tadoussac

Forecast

Marine Forecast

Issued 03:00 AM EDT 31 March 2025

Today Tonight and Tuesday.

Wind light increasing to northeast 10 to 15 knots early this afternoon then becoming southwest 10 to 20 early this evening. Wind veering to west 15 to 25 after midnight. Wind west 15 to 25 Tuesday.

Freezing rain changing to showers near noon and ending after midnight. Visibility as low as 1 mile in showers.

Temperatures minus 1 falling to minus 5 Tuesday evening.

Waves

Issued 03:00 AM EDT 31 March 2025
Today Tonight and Tuesday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 31 March 2025
Wednesday Wind northwest 10 to 15 knots diminishing to light in the morning.
Thursday Wind northeast 10 to 20 knots becoming light.
Friday Wind light becoming northeast 15 knots.

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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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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 31 March 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today departing ridge located from Labrador
to Newfoundland.

At 3:00 a.m. EDT today low 995 mb located northeast of Lake Huron.
By 8:00 p.m. EDT Tuesday low 982 mb located over the Strait of
Belle Isle.

At 8:00 a.m. EDT Tuesday ridge located on a line north-south over
James Bay.
By 7:30 p.m. EDT Tuesday ridge located on a line north-south over
the Great Lakes.

St. Lawrence - St. Lawrence River Area

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