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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 11 November 2025

Tonight and Wednesday.

Storm warning in effect.

Wind westerly 15 to 25 knots increasing to west 25 to 35 late this evening and to west 40 to 50 late overnight. Wind diminishing to west 25 to 35 Wednesday afternoon and to west 15 to 25 Wednesday evening.

Scattered flurries overnight and Wednesday. Visibility 1 mile or less in flurries.

Temperatures plus 5 falling to zero overnight.

Waves

Issued 03:00 PM EST 11 November 2025
Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 after midnight and to 4 early Wednesday morning. Seas subsiding to 2 to 3 Wednesday evening.

Extended Forecast

Issued 06:00 PM EST 11 November 2025
Thursday Wind west 10 to 15 knots becoming light in the morning.
Friday Wind northerly 15 knots increasing to northwest 15 to 25.
Saturday Wind northwest 15 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 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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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

Warnings (In effect)

Storm warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 5:40 PM EST 11 November 2025

'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. 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 3:00 PM EST 11 November 2025 Tonight and Wednesday At 3:00 p.m. EST today merging low 983 mb located southwest of
Labrador.
At 6:00 p.m. EST tonight intensifying low 986 mb located near
Sable Island.
By 7:00 p.m. EST Wednesday low 961 mb located over northern
Labrador.

At 3:00 p.m. EST today ridge located on a line north-south over
Lake Huron.
By 7:00 p.m. EST Wednesday ridge located on a line
northwest-southeast over Québec city.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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