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Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 12 July 2025

Today Tonight and Sunday.

Wind light becoming southeast 10 to 15 knots Sunday afternoon.

Fog patches dissipating this afternoon.

Waves

Issued 05:00 AM ADT 12 July 2025
Today Tonight and Sunday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 12 July 2025
Monday Wind southeast 10 to 15 knots.
Tuesday Wind variable 10 to 15 knots.
Wednesday Wind west 10 to 15 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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buoy Buoy
land station Land Station
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 10:00 AM ADT 12 July 2025 Today Tonight and Sunday At 10:00 a.m. ADT today low 1009 mb located south of the Avalon
Peninsula.
By 8:00 p.m. ADT tonight departing low 1007 mb located over the
Grand Banks.

At 10:00 a.m. ADT today ridge located over the Maritimes.
By 3:30 p.m. ADT Sunday ridge located over the southern Marine
District.

At 3:30 p.m. ADT Sunday approaching low 1014 mb located southwest
of Georges Bank.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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