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Anticosti - northeastern half

Forecast

Marine Forecast

Issued 08:00 PM ADT 21 June 2025

Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 25 to 30 knots diminishing to northwest 10 to 15 near midnight and to light early Sunday morning. Wind becoming southeasterly 10 to 15 near noon Sunday then diminishing to light early Sunday evening.

Fog patches forming Sunday evening.

Waves

Issued 05:00 PM ADT 21 June 2025
Tonight and Sunday. Seas 2 metres subsiding to 1 early this evening.

Extended Forecast

Issued 03:30 PM ADT 21 June 2025
Monday Wind southwest 15 knots.
Tuesday Wind southerly 20 knots diminishing to light.
Wednesday Wind northwest 30 knots diminishing to northwest 20 late in the day.

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Saint-Hubert Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts 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 Miscou Island Kouchibouguac La Pocatière
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 21 June 2025

Iceberg Limit

Iceberg limit at 0000 UTC 22 Jun estimated from Newfoundland near 4655N 5555W to 4500N 5525W to 4345N 4700W to 4705N 4140W to 4925N 4230W to 5600N 5120W to 5745N 5405W then eastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the western iceberg limit.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti - northeastern half

Issued 8:00 PM ADT 21 June 2025

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 21 June 2025 Tonight and Sunday At 8:00 p.m. ADT tonight ridge located from Georges Bank to
Anticosti Island.
By 3:30 p.m. ADT Sunday departing ridge located over Newfoundland.

At 8:00 p.m. ADT tonight low 998 mb located south of James Bay.
By 8:00 p.m. ADT Sunday weakening low 1011 mb located over Grand
Manan.

Marine Weather Statement

Issued 6:35 PM ADT 21 June 2025 Marine interests are advised that all gale warnings have ended.

St. Lawrence - St. Lawrence River Area

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