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Pointe-des-Monts to Anticosti - southern half

Forecast

Marine Forecast

Issued 03:00 AM EDT 06 September 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind northeast 15 knots diminishing to light near noon then becoming southwest 10 to 15 late this afternoon. Wind becoming light overnight then increasing to southwest 15 to 25 Monday afternoon. Wind veering to northwest 20 to 30 Monday evening.

Waves

Issued 03:00 AM EDT 06 September 2026
Today Tonight and Monday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 06 September 2026
Tuesday Wind north 20 to 30 knots diminishing to northwesterly 10 to 15 in the afternoon.
Wednesday Wind light increasing to south 20 to 30 knots late in the day.
Thursday Wind south 15 to 25 knots veering to southwest 20 to 30.

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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 - southern half

Issued 03:00 AM EDT 06 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 6 September 2026 Today Tonight and Monday At 3:00 a.m. EDT today low 995 mb located off Nova Scotia.
By 8:00 p.m. EDT Monday low 1000 mb located over Newfoundland.

At 3:00 a.m. EDT today high located near Lake Superior.
By 8:00 p.m. EDT Monday high located near Lake Ontario.

At 8:00 a.m. EDT Monday trough located from James Bay to Labrador.
By 8:00 p.m. EDT Monday trough located from Lake Saint-Jean to
Labrador.

St. Lawrence - St. Lawrence River Area

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