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Forecast

Marine Forecast

Issued 03:30 PM AST 11 November 2025

Tonight and Wednesday.

Gale warning in effect.

Wind southwest 25 knots increasing to west 35 early this evening then diminishing to west 25 early Wednesday morning. Wind diminishing to west 15 to 20 Wednesday evening.

Scattered showers ending Wednesday morning. Scattered showers Wednesday late in the day.

Waves

Issued 05:00 AM AST 11 November 2025
Today Tonight and Wednesday. Seas 2 to 3 metres building to 3 to 4 early this evening and to 3 to 5 Wednesday morning.

Extended Forecast

Issued 03:30 PM AST 11 November 2025
Thursday Wind west 25 knots diminishing to light in the afternoon.
Friday Wind light increasing to northwest 20 knots.
Saturday Wind northwest 15 knots diminishing to 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 Montréal Metropolitain 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

Warnings (In effect)

Gale warning in effect

Lurcher

Issued 3:30 PM AST 11 November 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM AST 11 November 2025 Tonight and Wednesday At 3:30 p.m. AST today low 985 mb located over eastern Quebec.
By 8:00 p.m. AST tonight departing low 981 mb located over Labrador.

At 3:30 p.m. AST today trough from low located from Anticosti
Island to East Scotian Slope.
By 3:00 a.m. AST Wednesday trough located from Labrador to the
Grand Banks.

Marine Weather Statement

Issued 3:20 PM AST 11 November 2025 A low pressure system over Eastern Quebec, with an intense trough to
the south, will continue to track northeasterly as the intensifying
trough pushes eastward over the slope waters this evening. Gale to
storm force southerlies ahead of the trough, with gale to storm force
westerlies briefly developing in its wake.

Marine interests are advised that storm warnings are in effect for
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope - eastern half, Fourchu, Banquereau - western half and
Laurentian Fan. Gale warnings are in effect for all remaining waters
except Fundy and Grand Manan.

St. Lawrence - St. Lawrence River Area

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