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L'Isle-aux-Coudres to Tadoussac

Forecast

Marine Forecast

Issued 03:00 AM EDT 14 June 2026

Today Tonight and Monday.

Wind light increasing to southwest 15 to 20 knots this afternoon then diminishing to light near midnight. Wind increasing to southwest 15 to 20 Monday morning then diminishing to west 10 to 15 Monday evening.

Scattered showers this afternoon tonight and Monday. Risk of thunderstorms today and tonight. Fog banks forming overnight and dissipating Monday morning.

Waves

Issued 03:00 AM EDT 14 June 2026
Today Tonight and Monday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 14 June 2026
Tuesday Wind light increasing to southwest 10 to 20 knots in the morning.
Wednesday Wind southwest 15 knots diminishing to light late in the day.
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 - 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 AM EDT 14 June 2026 Today Tonight and Monday At 3:00 a.m. EDT today ridge located on a line east-west over
Natashquan.
By 8:00 p.m. EDT Monday ridge located near the Quebec Lower
North Shore.

At 8:00 p.m. EDT tonight intensifying low located over western
Lake Saint-Jean.
By 11:00 a.m. EDT Monday departing low 997 mb located over northern
Saguenay River.

St. Lawrence - St. Lawrence River Area

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