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Anticosti - southeastern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 20 May 2025

Tonight and Wednesday.

Strong wind warning in effect.

Wind northeast 20 knots diminishing to northeast 15 Wednesday morning.

Waves

Issued 05:00 PM ADT 20 May 2025
Tonight and Wednesday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM ADT 20 May 2025
Thursday Wind variable 15 knots.
Friday Wind east 15 to 20 knots backing to northeast 25.
Saturday Wind east 25 knots increasing to northeast 25 to 35 late in the day.

Ice Forecast

Issued 10:00 AM EDT 20 May 2025 Today Tonight and Wednesday Bergy water. 

[ Canadian Ice Service ]

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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 20 May 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Quebec near 5126N 5739W to 5059N 5746W to 5106N 5720W then northeastward. Sea ice north of the ice edge.

Ice Coverage

Bergy water.

 

Iceberg Bulletin

Issued 3:12 PM EDT 20 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 21 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5755N 5155W to 5900N 4845W then eastward.

Iceberg Count

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

Warnings (In effect)

Strong wind warning in effect

Anticosti - southeastern half

Issued 3:30 PM ADT 20 May 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 3:30 PM ADT 20 May 2025 Tonight and Wednesday At 3:30 p.m. ADT today trough located on a line east-west over
the southern Marine District.
By 3:00 a.m. ADT Wednesday trough located south of the Marine
District.

At 10:00 a.m. ADT Wednesday ridge located from Labrador to New
England.
By 8:00 p.m. ADT Wednesday ridge located on a line north-south
over the Maritimes.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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