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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 September 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind west 20 to 25 knots diminishing to west 10 to 20 early this morning then becoming southeast 15 early this afternoon. Wind increasing to southwest 15 to 25 late this evening then becoming southwest 15 Sunday morning.

Showers Sunday evening.

Waves

Issued 03:00 AM EDT 12 September 2026
Today Tonight and Sunday. Seas 1 to 2 metres subsiding to 1 or less this afternoon.

Extended Forecast

Issued 06:00 AM EDT 12 September 2026
Monday Wind southwest 15 to 20 knots increasing to westerly 20 to 30 in the morning.
Tuesday Wind west 10 to 15 knots becoming southeast 15 late in the day.
Wednesday Wind southwest 15 to 25 knots becoming northwesterly 15 late in the day.

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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 12 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 12 September 2026 Today Tonight and Sunday At 3:00 a.m. EDT today ridge located from Lake Saint-Jean to
Cape Hatteras.
By 8:00 a.m. EDT Sunday departing ridge located off Newfoundland.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Superior.
By 8:00 p.m. EDT Sunday trough located on a line northeast-southwest
over Pointe-des-Monts.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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