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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 06 September 2026

Tonight and Monday.

Gale warning in effect.

Wind southwest 10 to 15 knots veering to northwesterly 10 to 15 this evening then increasing to southwest 15 to 25 early Monday afternoon. Wind increasing to northwest 25 to 35 Monday evening.

Showers Monday evening.

Waves

Issued 03:00 PM EDT 06 September 2026
Tonight and Monday. Seas 1 metre or less building to 1 to 2 Monday evening.

Extended Forecast

Issued 06:00 PM EDT 06 September 2026
Tuesday Wind north 20 to 30 knots diminishing to north 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)

Gale warning in effect

Pointe-des-Monts to Anticosti - northern half

Issued 3:00 PM EDT 06 September 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 6 September 2026 Tonight and Monday At 3:00 p.m. EDT today low 998 mb located off Nova Scotia.
By 8:00 p.m. EDT Monday low 1000 mb located over Newfoundland.

At 3:00 p.m. EDT today high 1020 mb located near Lake Superior.
By 8:00 p.m. EDT Monday high 1029 mb located near James Bay.

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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Marine Weather for Canada

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