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Anticosti

Forecast

Marine Forecast

Issued 08:00 PM ADT 10 August 2026

Tonight and Tuesday.

Wind west 15 to 20 knots diminishing to southwest 10 to 15 near midnight and to light early Tuesday morning. Wind becoming variable 10 to 15 Tuesday afternoon then becoming northwest 15 Tuesday evening.

Showers and fog patches Tuesday late in the day.

Waves

Issued 05:00 PM ADT 10 August 2026
Tonight and Tuesday. Seas 1 metre.

Extended Forecast

Issued 03:30 PM ADT 10 August 2026
Wednesday Wind northerly 20 knots backing to northwest 25 in the afternoon.
Thursday Wind west 20 knots diminishing to light.
Friday Wind easterly 20 knots backing to north 25.

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Weather Conditions

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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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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 10 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 Aug estimated from Newfoundland near
4825N 5310W to 4840N 5220W to 5010N 5100W to 5325N 5100W to 5800N
5300W to 6020N 5200W to 5840N 4500W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 10 August 2026 Tonight and Tuesday At 3:30 p.m. ADT today trough located from Banquereau to the
Grand Banks.
By 8:00 p.m. ADT tonight departing trough located over the Grand
Banks.

At 8:00 p.m. ADT tonight trough located over New England.
By 8:00 p.m. ADT Tuesday trough located from the Gulf of
St. Lawrence to East Scotian Slope.

St. Lawrence - St. Lawrence River Area

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