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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 05 October 2026

Today Tonight and Tuesday.

Gale warning in effect.

Wind southeasterly 15 to 25 knots increasing to southeasterly 25 to 35 late this afternoon then becoming west 25 to 35 this evening. Wind increasing to west 35 to 45 near midnight then diminishing to west 25 to 35 Tuesday evening.

Showers beginning early this morning.

Waves

Issued 03:00 AM EDT 05 October 2026
Today Tonight and Tuesday. Seas 1 metre building to 2 early this evening and to 3 overnight.

Extended Forecast

Issued 06:00 AM EDT 05 October 2026
Wednesday Wind west 20 to 30 knots diminishing to southeast 10 to 15 late in the day.
Thursday Wind southeast 10 to 15 knots increasing to southwest 15 to 25.
Friday Wind southwest 10 to 15 knots increasing to southwest 15 to 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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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)

Gale warning in effect

Pointe-des-Monts to Anticosti - northern half

Issued 06:20 AM EDT 05 October 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 AM EDT 5 October 2026 Today Tonight and Tuesday At 3:00 a.m. EDT today low 995 mb located east of James Bay.
By 8:00 p.m. EDT Tuesday low 982 mb located over the Quebec Lower
North Shore.

At 3:00 a.m. EDT today ridge located on a line north-south over
the Midwestern states.
By 8:00 p.m. EDT Tuesday ridge located on a line north-south
over Montréal.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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