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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 15 October 2026

Tonight and Friday.

Strong wind warning in effect.

Wind west 20 to 30 knots diminishing to light after midnight then increasing to east 15 to 25 Friday afternoon.

Rain Friday late in the day.

Waves

Issued 03:00 PM EDT 15 October 2026
Tonight and Friday. Seas 1 to 2 metres subsiding to 1 early Friday morning.

Extended Forecast

Issued 06:00 AM EDT 15 October 2026
Saturday Wind west 25 to 35 knots.
Sunday Wind northwest 20 to 30 knots.
Monday Wind northwest 20 to 30 knots backing to southwest 25.

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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 3:00 PM EDT 15 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 15 October 2026 Tonight and Friday At 3:00 p.m. EDT today high 1025 mb located over Quebec.
By 8:00 p.m. EDT Friday high 1023 mb located off Nova Scotia.

At 3:00 p.m. EDT today low 1012 mb located over the Great Lakes.
By 8:00 p.m. EDT Friday low 996 mb located over Maine.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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