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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 11 March 2025

Today Tonight and Wednesday.

Wind light increasing to southwest 20 to 30 knots early this afternoon then veering to northwest 15 to 25 this evening. Wind diminishing to light Wednesday morning then increasing to southwest 10 to 20 near noon Wednesday. Wind becoming light Wednesday evening.

Showers this evening.

High today plus 8. Low tonight minus 13. High Wednesday minus 8.

Waves

Issued 03:00 PM EDT 10 March 2025
Tonight and Tuesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 10 March 2025
Wednesday Wind southwest 15 knots diminishing to light late in the day.
Thursday Wind northeast 10 to 15 knots.
Friday Wind northeast 10 to 15 knots becoming light.

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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 11 March 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south over
the Gulf of St. Lawrence.
By 11:00 p.m. EDT tonight ridge located on a line north-south over
the Strait of Belle Isle.

At 3:00 a.m. EDT today low 987 mb located over southern James Bay.
By 8:00 p.m. EDT Wednesday low 993 mb located over Labrador Coast.

At 8:00 p.m. EDT tonight ridge located on a line northeast-southwest
over the Great Lakes.
By 8:00 p.m. EDT Wednesday ridge located on a line north-south
over Saguenay River.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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