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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 19 April 2026

Tonight and Monday.

Wind southwest 15 to 25 knots diminishing to light early this evening then becoming northwest 10 to 15 early Monday morning. Wind becoming light Monday evening.

Rain or snow ending this evening. Visibility as low as 1 mile in precipitation.

Temperatures plus 5 falling to minus 4 Monday morning.

Waves

Issued 03:00 PM EDT 19 April 2026
Tonight and Monday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 19 April 2026
Tuesday Wind light.
Wednesday Wind light.
Thursday 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 PM EDT 19 April 2026 Tonight and Monday At 3:00 p.m. EDT today trough located on a line north-south over
Sept-Îles.
By 8:00 p.m. EDT Monday trough located on a line north-south over
Labrador Sea.

At 3:00 p.m. EDT today ridge located on a line northeast-southwest
over western Quebec.
By 8:00 p.m. EDT Monday ridge located from Lake Erie to Lake
Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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