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Anticosti

Forecast

Marine Forecast

Issued 03:30 PM ADT 08 June 2026

Tonight and Tuesday.

Strong wind warning in effect.

Wind westerly 15 to 20 knots with gusts to 30 along the Quebec coast. Wind becoming westerly 25 near midnight then veering to northwest 15 to 20 Tuesday morning. Wind backing to west 20 to 25 Tuesday afternoon then diminishing to variable 10 to 15 Tuesday evening.

Waves

Issued 05:00 PM ADT 08 June 2026

Anticosti - northwestern half

Tonight and Tuesday. Seas 1 metre or less building to 1 to 2 this evening then subsiding to 1 or less Tuesday morning.

Anticosti - southeastern half

Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less Tuesday afternoon.

Extended Forecast

Issued 03:30 PM ADT 08 June 2026
Wednesday Wind variable 10 to 15 knots increasing to east 15 to 20 in the afternoon.
Thursday Wind variable 10 to 15 knots.
Friday Wind southeast 20 knots.

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Weather Conditions

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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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buoy Buoy
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 3:30 PM ADT 08 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 3:30 PM ADT 8 June 2026 Tonight and Tuesday At 3:30 p.m. ADT today trough located from the Avalon Peninsula
to Laurentian Fan.
By 8:00 p.m. ADT tonight departing trough located east of the
Marine District.

At 3:30 p.m. ADT today ridge located from Quebec to New England.
By 10:00 a.m. ADT Tuesday ridge located southwest of the Marine
District.

St. Lawrence - St. Lawrence River Area

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