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Pointe-des-Monts to Anticosti - southern half

Forecast

Marine Forecast

Issued 03:00 PM EDT 20 July 2025

Tonight and Monday.

Strong wind warning in effect.

Wind light with gusts to 30 knots near thunderstorms late this afternoon and this evening. Wind becoming northerly 15 near midnight then increasing to westerly 15 to 25 near noon Monday.

Showers. Risk of thunderstorms late this afternoon and this evening. Visibility as low as 1 mile in showers.

Waves

Issued 03:00 PM EDT 20 July 2025
Tonight and Monday. Seas 1 metre or less building to 1 to 2 Monday afternoon.

Extended Forecast

Issued 06:00 AM EDT 20 July 2025
Tuesday Wind northwest 15 knots increasing to westerly 15 to 25 in the morning.
Wednesday Wind southwest 15 knots increasing to southwest 15 to 25.
Thursday Wind southwest 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 Saint-Hubert 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 3:00 PM EDT 20 July 2025

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 20 July 2025 Tonight and Monday At 3:00 p.m. EDT today trough located on a line northeast-southwest
over Saguenay River.
By 8:00 p.m. EDT Monday trough located on a line north-south
over Newfoundland.

At 3:00 p.m. EDT today high located on a line north-south over
Lake Superior.
By 8:00 p.m. EDT Monday high located on a line north-south over
Lake Ontario.

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