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Forecast

Marine Forecast

Issued 03:00 AM ADT 02 July 2025

Today Tonight and Thursday.

Wind southwest 10 to 15 knots increasing to southwest 15 to 20 this afternoon then diminishing to southwest 10 to 15 this evening. Wind southwest 10 to 15 Thursday.

Showers ending near noon with a risk of thunderstorms. Showers Thursday evening. Fog patches.

Waves

Issued 05:00 PM ADT 01 July 2025
Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 02 July 2025
Friday Wind light becoming southwest 15 knots in the afternoon.
Saturday Wind west 15 knots backing to southwest 20.
Sunday Wind southwest 20 to 25 knots.

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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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 2 July 2025 Today Tonight and Thursday At 3:00 a.m. ADT today trough located from Labrador to New England.
By 10:00 a.m. ADT Thursday trough located on a line
northeast-southwest over West Scotian Slope.

St. Lawrence - St. Lawrence River Area

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