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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 26 April 2025

Today Tonight and Sunday.

Strong wind warning in effect.

Wind light increasing to east 15 knots near noon except light over eastern sections. Wind increasing to east 20 to 25 early this evening and to easterly 25 to 30 near midnight. Wind backing to northeasterly 20 to 25 near noon Sunday.

Periods of rain and fog patches this afternoon tonight and Sunday.

Waves

Issued 05:00 AM ADT 26 April 2025

Anticosti - northern half

Today Tonight and Sunday. Seas 1 metre or less building to 1 to 2 late overnight and to 2 to 3 Sunday morning. Seas subsiding to 1 to 2 Sunday evening.

Anticosti - southern half

Today Tonight and Sunday. Seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 late overnight. Seas subsiding to 1 to 2 Sunday afternoon.

Extended Forecast

Issued 03:00 AM ADT 26 April 2025
Monday Wind northerly 30 knots diminishing to northerly 15 to 20 in the afternoon and to light late in the day.
Tuesday Wind southwest 15 to 20 knots increasing to southwest 25.
Wednesday Wind south 25 knots increasing to northwest 30.

Ice Forecast

Issued 10:00 AM EDT 25 April 2025 Today Tonight and Saturday Open water except 1 tenth first-year ice in strips and patches near Gaspe. Consolidated rotten first-year ice in a few bays. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 25 April 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4743N 6440W to
4744N 6434W to 4836N 6358W to Quebec near 4851N 6412W. Sea ice west
of the ice edge.

Second ice edge estimated from Quebec near 5011N 6057W to 4955N
6023W to 5107N 5730W to Newfoundland near 5029N 5728W. Sea ice north
then east of the ice edge.

Ice Coverage

Open water except 1 tenth first-year ice in strips and patches near
Gaspe. Consolidated rotten first-year ice in a few bays.

 

Iceberg Bulletin

Issued 2:30 PM EDT 25 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 26 Apr estimated from Newfoundland near
4731N 5444W to 4050N 5210W to 4105N 4740W to 4655N 3440W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 26 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 03:00 AM ADT 26 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 3:00 AM ADT 26 April 2025 Today Tonight and Sunday At 3:00 a.m. ADT today low 1010 mb located over the Great Lakes.
By 8:00 p.m. ADT tonight approaching low 1003 mb located over
New England.

At 8:00 p.m. ADT Sunday low 1003 mb located near Lurcher.

At 3:00 a.m. ADT today departing ridge located over the eastern
Marine District.

Marine Weather Statement

Issued 2:41 AM ADT 26 April 2025 A low pressure system near the Great Lakes will approach the region
today and Sunday. Increasing southerly winds ahead of the system will
reach strong to gale force across the marine district.

Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half and Gulf-Magdalen - eastern half.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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