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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 13 September 2026

Tonight and Monday.

Strong wind warning in effect.

Wind light increasing to southwest 15 to 25 knots early this evening then diminishing to southwest 10 to 15 late overnight. Wind increasing to northwest 20 to 30 Monday morning.

Showers ending Monday afternoon. Visibility as low as 1 mile in showers.

Waves

Issued 03:00 PM EDT 13 September 2026
Tonight and Monday. Seas 1 metre or less building to 1 to 2 near noon Monday.

Extended Forecast

Issued 06:00 PM EDT 13 September 2026
Tuesday Wind westerly 15 knots backing to southerly 10 to 15 in the afternoon.
Wednesday Wind southwest 20 to 30 knots veering to northwest 15 to 25 late in the day.
Thursday Wind northwest 15 knots diminishing to light.

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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 13 September 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 13 September 2026 Tonight and Monday At 3:00 p.m. EDT today trough located from Labrador to Lake Ontario.
By 8:00 p.m. EDT Monday trough located on a line northeast-southwest
over the Strait of Belle Isle.

At 3:00 p.m. EDT today ridge located on a line north-south over
northwestern Ontario.
By 8:00 p.m. EDT Monday ridge located from Lake Ontario to
Ungava Bay.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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