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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 09 June 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind westerly 20 to 25 knots veering to northwesterly 15 to 20 this morning then becoming variable 15 early this evening. Wind becoming southerly 15 near midnight then increasing to easterly 20 Wednesday morning except light over southwestern sections Wednesday morning and afternoon.

Waves

Issued 05:00 AM ADT 09 June 2026
Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less this afternoon.

Extended Forecast

Issued 03:00 AM ADT 09 June 2026
Thursday Wind easterly 15 knots.
Friday Wind easterly 15 to 20 knots.
Saturday Wind southeast 20 knots.

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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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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 8 June 2026

Iceberg Limit

Iceberg limit at 0000 UTC 9 Jun estimated from Newfoundland near
4700N 5520W to 4210N 4920W to 4345N 4435W to 4950N 4400W to 5315N
4800W to 5900N 5500W to 6000N 5235W to 5830N 4915W then
southeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti

Issued 03:00 AM ADT 09 June 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 3:00 AM ADT 9 June 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today ridge located west of the Marine District.
By 8:00 p.m. ADT Wednesday departing ridge located south of the
Marine District.

At 3:00 a.m. ADT today trough located on a line northeast-southwest
over Anticosti Island.
By 3:30 p.m. ADT today trough located on a line northeast-southwest
over Nova Scotia.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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