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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 September 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind southerly 15 to 25 knots diminishing to southerly 10 to 15 this morning then becoming light early this afternoon. Wind increasing to west 10 to 15 near midnight and to northwest 20 to 30 Monday morning.

Showers tonight and Monday.

Waves

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

Extended Forecast

Issued 06:00 AM EDT 13 September 2026
Tuesday Wind westerly 15 to 20 knots backing to southerly 10 to 15 late in the day.
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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land station Land Station
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 - southern half

Issued 03:00 AM 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 AM EDT 13 September 2026 Today Tonight and Monday At 3:00 a.m. EDT today trough located from Labrador to Lake Erie.
By 8:00 p.m. EDT Monday trough located on a line northeast-southwest
over the Strait of Belle Isle.

At 3:00 a.m. EDT today ridge located on a line north-south over
northern 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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