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Anticosti - eastern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 16 June 2026

Tonight and Wednesday.

Wind southeast 15 to 20 knots diminishing to variable 10 to 15 late overnight. Wind variable 10 to 15 Wednesday.

Rain and fog patches ending near midnight with a risk of thunderstorms.

Waves

Issued 05:00 PM ADT 16 June 2026

Anticosti - northwestern half

Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less near noon Wednesday.

Anticosti - southeastern half

Tonight and Wednesday. Seas 2 to 3 metres subsiding to 1 to 2 near midnight and to 1 or less Wednesday afternoon.

Extended Forecast

Issued 03:30 PM ADT 16 June 2026
Thursday Wind easterly 20 knots.
Friday Wind easterly 30 knots.
Saturday Wind northeast 25 knots diminishing to north 15.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île-d'Orléans - Quai de St-Jean Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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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 2:53 PM EDT 16 June 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Jun estimated from Newfoundland near
4705N 5530W to 4235N 5105W to 4445N 4310W to 4945N 4335W to 5315N
4800W to 5900N 5500W to 5825N 5130W to 5615N 4850W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 16 June 2026 Tonight and Wednesday At 8:00 p.m. ADT tonight trough located from the Gaspe Peninsula
to Laurentian Fan.
By 3:00 a.m. ADT Wednesday dissipating trough located from Anticosti
Island to Banquereau.

At 8:00 p.m. ADT tonight ridge located over the Gulf of Maine.
By 3:30 p.m. ADT Wednesday ridge located on a line
northwest-southeast over the Marine District.

Marine Weather Statement

Issued 7:45 PM ADT 16 June 2026 A trough of low pressure stretching from the Gaspé Peninsula to
Laurentian Fan will begin to weaken as it moves very slowly eastward
tonight. Strong to gale force southeasterly winds ahead of the trough
shift to moderate to strong westerlies in its wake.

Marine interests are advised that a gale warning is in effect for
Cabot Strait - northern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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