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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 10 October 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind westerly 15 to 25 knots becoming westerly 15 near midnight then backing to southerly 10 to 15 Sunday morning.

Periods of rain Sunday.

Waves

Issued 03:00 PM EDT 10 October 2026
Tonight and Sunday. Seas 1 to 2 metres subsiding to 1 late overnight.

Extended Forecast

Issued 06:00 PM EDT 10 October 2026
Monday Wind southwest 15 to 25 knots becoming northeast 20 to 30 in the morning.
Tuesday Wind northeast 10 to 15 knots.
Wednesday Wind northeast 15 to 20 knots.

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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 - northern half

Issued 5:59 PM EDT 10 October 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 10 October 2026 Tonight and Sunday At 3:00 p.m. EDT today ridge located on a line north-south over
western Quebec.
By 2:00 p.m. EDT Sunday weakening ridge located on a line
north-south over Nova Scotia.

At 8:00 a.m. EDT Sunday low 1008 mb located near James Bay.
By 8:00 p.m. EDT Sunday low 1005 mb located north of Lake
Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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