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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 17 February 2026

Today Tonight and Wednesday.

Wind light becoming southwest 15 knots near noon then veering to northwest 10 to 15 near midnight. Wind becoming light Wednesday evening.

Periods of snow today and tonight. Visibility 1 mile or less in snow.

Temperatures minus 6 rising to minus 1 this afternoon then falling to minus 7 Wednesday evening.

Waves

Issued 03:00 AM EST 17 February 2026
Today Tonight and Wednesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EST 17 February 2026
Thursday Wind light.
Friday Wind northeast 15 knots.
Saturday Wind northeast 20 to 30 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 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 AM EST 17 February 2026 Today Tonight and Wednesday At 3:00 a.m. EST today ridge located from Nova Scotia to Labrador
Coast.
By 7:00 p.m. EST tonight weakening ridge located from Nova Scotia
to the Strait of Belle Isle.

At 3:00 a.m. EST today trough located on a line north-south over
Lake Huron.
By 10:00 a.m. EST Wednesday weakening trough located on a line
north-south over the Gaspe Peninsula.

At 7:00 p.m. EST tonight ridge located on a line northwest-southeast
over Lake Ontario.
By 7:00 p.m. EST Wednesday ridge located on a line
northwest-southeast over Trois-Rivières.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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