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Anticosti - southwestern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 26 October 2026

Tonight and Tuesday.

Gale warning in effect.

Wind northwest 25 knots with gusts to 35 in the Honguedo Strait. Wind becoming northwest 35 late overnight. Wind northwest 35 Tuesday.

Waves

Issued 05:00 PM ADT 26 October 2026
Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 early this evening and to 3 to 4 Tuesday morning.

Extended Forecast

Issued 03:30 PM ADT 26 October 2026
Wednesday Wind northwest 30 knots diminishing to northwest 20 in the morning.
Thursday Wind southwest 15 to 20 knots.
Friday Wind west 10 to 15 knots increasing to northwest 30 late in the day.

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Map of St. Lawrence - St. Lawrence River marine weather areas Mistook Jonquière CFB Bagotville Bathurst Airport Cap-Chat Charlo Île Bicquette Miramichi Port Menier Pointe-au-Père Montréal Metropolitain Airport Fundy Park (Alma) Normandin Roberval Airport L'Isle-aux-Grues Trois-Rivières Airport L'Assomption Île-d'Orléans - Quai de St-Jean Deschambault Beauport North Bay Airport Lake Nipissing - 45152 Bas Caraquet New Carlisle Montréal-Trudeau Int'l Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Lac Saint-Pierre Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Cap-d'Espoir Brier Island Yarmouth Airport Rivière-la-Madeleine St. Stephen Gaspé Airport Grand Manan Kouchibouguac Mont-Joli Airport Saint John Airport Miscou Island La Pocatière Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau
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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.
 

Iceberg Bulletin

Issued 2:30 PM EDT 26 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 27 Oct estimated from Newfoundland near
5030N 5630W to 5030N 5500W to 5200N 5245W to 5500N 5215W to 6000N
5800W to 6125N 5445W to 5855N 4515W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southwestern half

Issued 3:30 PM ADT 26 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 3:30 PM ADT 26 October 2026 Tonight and Tuesday At 3:30 p.m. ADT today trough located from Newfoundland to the
Bay of Fundy.
By 10:00 a.m. ADT Tuesday departing trough located over the
Grand Banks.

At 8:00 p.m. ADT Tuesday approaching high located over Quebec.

Marine Weather Statement

Issued 3:20 PM ADT 26 October 2026 A trough of low pressure will track southeastward across the Gulf of
St. Lawrence tonight. Strong to gale force northwesterlies will
develop across the Northern Gulf of St. Lawrence on Tuesday behind
the trough.

Marine interests are advised that gale warnings are in effect for
Banquereau - northern half, Cabot Strait, Gulf - Magdalen -
northeastern half, and Anticosti - southwestern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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