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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 11 September 2026

Tonight and Saturday.

Gale warning in effect.

Wind westerly 25 to 35 knots becoming west 20 to 30 this evening then diminishing to west 10 to 20 late overnight. Wind becoming southeast 15 early Saturday afternoon then increasing to southwest 15 to 25 Saturday evening.

Waves

Issued 03:00 PM EDT 11 September 2026
Tonight and Saturday. Seas 2 to 3 metres subsiding to 1 to 2 late overnight and to 1 or less Saturday afternoon.

Extended Forecast

Issued 06:00 AM EDT 11 September 2026
Sunday Wind southwest 15 to 20 knots.
Monday Wind southwest 15 to 20 knots increasing to westerly 20 to 30.
Tuesday Wind west 10 to 15 knots becoming southeast 15 late in the day.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Gale warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 3:00 PM EDT 11 September 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 11 September 2026 Tonight and Saturday At 3:00 p.m. EDT today departing low 984 mb located northeast of
the Strait of Belle Isle.

At 3:00 p.m. EDT today ridge located on a line north-south over
Lake Ontario.
By 8:00 p.m. EDT Saturday departing ridge located on a line
north-south over Newfoundland.

At 4:00 a.m. EDT Saturday trough located on a line
northeast-southwest over Lake Superior.
By 8:00 p.m. EDT Saturday trough located on a line
northeast-southwest over Lake Huron.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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