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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 16 August 2026

Tonight and Monday.

Strong wind warning in effect.

Wind variable 10 to 15 knots becoming southerly 15 near midnight then increasing to southerly 20 to 25 Monday afternoon.

Showers Monday late in the day. Fog patches forming Monday evening.

Waves

Issued 05:00 AM ADT 16 August 2026
Today Tonight and Monday. Seas 1 metre or less building to 1 to 2 Monday afternoon.

Extended Forecast

Issued 03:30 PM ADT 16 August 2026
Tuesday Wind southwesterly 10 to 15 knots.
Wednesday Wind southerly 15 to 20 knots diminishing to variable 10 to 15.
Thursday Wind westerly 15 to 20 knots.

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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 16 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Aug estimated from Newfoundland near
4840N 5350W to 4900N 5250W to 5030N 5205W to 5900N 5500W to 6020N
5200W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti

Issued 3:30 PM ADT 16 August 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 16 August 2026 Tonight and Monday At 3:30 p.m. ADT today ridge located over the southwestern Marine
District.
By 3:00 a.m. ADT Monday quasi-stationary ridge located over the
southeastern Marine District.

At 10:00 a.m. ADT Monday approaching trough located west of the
Marine District.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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