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Pointe-des-Monts to Anticosti - northern half

Forecast

Marine Forecast

Issued 03:00 PM EDT 08 August 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind east 15 to 25 knots becoming east 15 Sunday evening.

Scattered showers Sunday afternoon and evening with a risk of thunderstorms. Fog banks forming overnight.

Waves

Issued 03:00 PM EDT 08 August 2026
Tonight and Sunday. Seas 1 metre.

Extended Forecast

Issued 06:00 PM EDT 08 August 2026
Monday Wind light increasing to southwest 15 to 25 knots in the morning.
Tuesday Wind variable 15 knots increasing to west 15 to 25 late in the day.
Wednesday Wind west 15 to 25 knots.

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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 3:00 PM EDT 08 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 PM EDT 8 August 2026 Tonight and Sunday At 3:00 p.m. EDT today trough located on a line north-south over
western Quebec.
By 8:00 p.m. EDT Sunday trough located from Hudson Bay to New
Brunswick.

At 3:00 p.m. EDT today ridge located on a line north-south over
the Midwestern states.
By 8:00 p.m. EDT Sunday ridge located on a line north-south over
Ontario.

St. Lawrence - St. Lawrence River Area

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