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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 07 August 2026

Tonight and Saturday.

Wind west 10 to 15 knots diminishing to light early this evening then becoming east 15 near noon Saturday.

Scattered showers Saturday evening. Fog banks forming near midnight and dissipating near noon Saturday.

Waves

Issued 03:00 PM EDT 07 August 2026
Tonight and Saturday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 07 August 2026
Sunday Wind east 15 to 25 knots diminishing to east 10 to 15 late in the day.
Monday Wind southwest 10 to 15 knots increasing to southwest 15 to 25.
Tuesday Wind southwest 15 to 25 knots diminishing to southwest 10 to 15.

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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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 7 August 2026 Tonight and Saturday At 3:00 p.m. EDT today flat low located from Labrador to Lake
Ontario.
By 8:00 p.m. EDT Saturday flat low located over the Gulf of
St. Lawrence.

At 8:00 a.m. EDT Saturday trough located on a line
northeast-southwest over James Bay.
By 8:00 p.m. EDT Saturday trough located on a line north-south
over western Lake Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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