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Anticosti

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 17 October 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 25 knots with gusts to 35 in the Honguedo Strait late this evening. Wind diminishing to variable 15 early Sunday evening.

Waves

Issued 05:00 PM ADT 17 October 2026
Tonight and Sunday. Seas 2 to 3 metres except 3 to 4 over southeastern sections this evening. Seas subsiding to 1 to 2 near noon Sunday.

Extended Forecast

Issued 03:30 PM ADT 17 October 2026
Monday Wind variable 10 to 15 knots increasing to southwest 30 in the afternoon.
Tuesday Wind southwest 20 knots becoming north 20.
Wednesday Wind north 20 knots diminishing to light.

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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.
 

Iceberg Bulletin

Issued 2:30 PM EDT 17 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Oct estimated from Newfoundland near
4837N 5306W to 5130N 5015W to 5245N 5015W to 6000N 5800W to 6125N
5445W to 5845N 4530W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti

Issued 8:00 PM ADT 17 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 8:00 PM ADT 17 October 2026 Tonight and Sunday At 8:00 p.m. ADT tonight departing low located northeast of
Newfoundland.

At 8:00 p.m. ADT tonight ridge located over New England.
By 8:00 p.m. ADT Sunday ridge located over the Maritimes.

Marine Weather Statement

Issued 7:34 PM ADT 17 October 2026 A low pressure system northeast of Newfoundland will depart tonight.
Strong to gale force northwesterlies will slowly diminish as a ridge
builds over New England.

Marine interests are advised that a gale warning is in effect for
Laurentian Fan - eastern half.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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