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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 15 June 2026

Tonight and Tuesday.

Wind southwest 15 knots diminishing to light this evening then becoming southwest 15 near noon Tuesday. Wind diminishing to light Tuesday evening.

Scattered showers ending near midnight. Scattered showers Tuesday late in the day. Fog banks forming near midnight and dissipating Tuesday morning.

Waves

Issued 03:00 PM EDT 15 June 2026
Tonight and Tuesday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 15 June 2026
Wednesday Wind southwest 10 to 15 knots becoming light late in the day.
Thursday Wind light increasing to northeast 10 to 20 knots.
Friday Wind northeast 20 knots.

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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 - Quai de St-Jean 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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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 PM EDT 15 June 2026 Tonight and Tuesday At 3:00 p.m. EDT today trough located on a line north-south over
Tadoussac.
By 8:00 p.m. EDT Tuesday trough located on a line
northwest-southeast over the Gaspe Peninsula.

At 8:00 p.m. EDT tonight ridge located on a line northeast-southwest
over Lake Ontario.
By 8:00 p.m. EDT Tuesday ridge located on a line north-south over
New England.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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