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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 17 June 2025

Today Tonight and Wednesday.

Wind light becoming southwest 10 to 15 knots early this afternoon then becoming light Wednesday evening.

Showers Wednesday late in the day with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 AM EDT 17 June 2025
Thursday Wind southwest 15 knots increasing to west 15 to 25 in the afternoon.
Friday Wind west 10 to 20 knots.
Saturday Wind light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Saint-Hubert Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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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 17 June 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today quasi-stationary ridge located off Nova
Scotia.

At 3:00 a.m. EDT today low 1002 mb located over Lake Superior.
By 8:00 p.m. EDT Wednesday low 984 mb located over Labrador Sea.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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