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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 14 October 2026

Today Tonight and Thursday.

Gale warning in effect.

Wind southeasterly 10 to 15 knots increasing to east 15 to 25 this morning then diminishing to light early this evening. Wind increasing to westerly 25 to 35 overnight then diminishing to northwest 15 to 25 Thursday evening.

Rain today and this evening. Fog patches forming this evening and dissipating near midnight. Visibility as low as 1 mile in rain and 1 mile or less in fog patches.

Waves

Issued 03:00 AM EDT 14 October 2026
Today Tonight and Thursday. Seas 1 metre or less building to 1 to 2 near noon then subsiding to 1 or less this evening. Seas building to 2 to 3 Thursday morning.

Extended Forecast

Issued 06:00 AM EDT 14 October 2026
Friday Wind northwest 15 to 25 knots diminishing to light in the morning then becoming northwesterly 15 late in the day.
Saturday Wind northwesterly 15 knots increasing to northwest 25 to 35.
Sunday Wind northwest 25 to 35 knots diminishing to southwest 15.

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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 - southern half

Issued 03:00 AM EDT 14 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 14 October 2026 Today Tonight and Thursday At 3:00 a.m. EDT today intensifying low 1006 mb located over
southern Quebec.
By 8:00 a.m. EDT Thursday departing low 989 mb located over
Newfoundland.

At 3:00 a.m. EDT today ridge located from Cabot Strait to Labrador.
By 2:00 p.m. EDT today departing ridge located from the Quebec
Lower North Shore to Sept-Îles.

At 8:00 p.m. EDT tonight high 1025 mb located over northwestern
Ontario.
By 8:00 p.m. EDT Thursday high 1025 mb located over central Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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