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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 11 August 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind variable 10 to 15 knots increasing to southwest 15 to 25 near midnight. Wind southwest 15 to 25 Wednesday.

Showers today and this evening. Scattered showers Wednesday afternoon and evening with a risk of thunderstorms. Fog banks forming this evening and dissipating Wednesday morning.

Waves

Issued 03:00 AM EDT 11 August 2026
Today Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 overnight.

Extended Forecast

Issued 06:00 AM EDT 11 August 2026
Thursday Wind southwest 15 to 25 knots.
Friday Wind southwest 15 to 25 knots.
Saturday Wind northwest 15 knots increasing to southwest 15 to 25.

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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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Ice Conditions

Ice Forecasts

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

Warnings (In effect)

Strong wind warning in effect

Pointe-des-Monts to Anticosti - northern half

Issued 03:27 AM EDT 11 August 2026

'Strong' winds of 20 to 33 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 11 August 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today departing trough located from Labrador to
the Quebec Lower North Shore.

At 3:00 a.m. EDT today low 1007 mb located near Lake Saint-Jean.
By 8:00 p.m. EDT Wednesday low 997 mb located over the Quebec
Lower North Shore.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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