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Anticosti - eastern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 18 April 2025

Tonight and Saturday.

Strong wind warning in effect.

Wind west 25 to 30 knots diminishing to west 20 this evening and to southerly 10 to 15 after midnight. Wind increasing to southeast 15 to 20 Saturday afternoon.

Rain and fog patches Saturday late in the day.

Waves

Issued 05:00 AM ADT 18 April 2025
Today Tonight and Saturday. Seas 2 to 3 metres subsiding to 1 to 2 this evening and to 1 or less late overnight. Seas building to 1 to 2 Saturday afternoon.

Extended Forecast

Issued 03:30 PM ADT 18 April 2025
Sunday Wind northwest 15 to 20 knots increasing to northwest 25 to 35 in the afternoon.
Monday Wind northwest 25 to 35 knots.
Tuesday Wind northwest 20 knots diminishing to southeast 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 18 April 2025 Today Tonight and Saturday Bergy water. Consolidated rotten first-year ice in a few bays. 

[ 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 18 April 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4700N 6449W to
4831N 6351W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.

Second ice edge estimated from Quebec near 4904N 6646W to 5005N
6518W to 4936N 5930W to Newfoundland near 5022N 5732W. Sea ice north
of the ice edge.

Ice Coverage

Bergy water. Consolidated rotten first-year ice in a few bays.

 

Iceberg Bulletin

Issued 2:30 PM EDT 18 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 18 Apr estimated from Newfoundland near
4731N 5444W to 4125N 5145W to 4210N 4800W to 4635N 3815W to 5345N
4510W to 5915N 5605W to 6035N 5500W to 5850N 4935W then eastwards.

Western iceberg limit at 0000 UTC 18 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

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

Issued 3:30 PM ADT 18 April 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 18 April 2025 Tonight and Saturday At 3:30 p.m. ADT today weakening low 998 mb located over northern
Labrador.

At 3:30 p.m. ADT today ridge located from Georges Bank to New
Brunswick.
By 3:00 a.m. ADT Saturday ridge located south of the Marine
District.

At 3:00 a.m. ADT Saturday low 1003 mb located over the Great Lakes.
By 8:00 p.m. ADT Saturday low 1000 mb located over the Gaspe
Peninsula.

Marine Weather Statement

Issued 3:17 PM ADT 18 April 2025 A ridge of high pressure approaching from the west will move to lie
over the southern marine district Saturday. Meanwhile a trough of low
pressure will move to lie over the Gaspé Peninsula by Saturday
evening. Strong to gale force southwesterlies will develop across the
district Saturday in between these two features.

Marine interests are advised that gale warnings are in effect for
Browns Bank, Georges Bank, LaHave Bank, West Scotian Slope, eastern
shore - eastern half, Sable, East Scotian Slope and Fourchu.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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