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Anticosti - eastern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 24 April 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind variable 10 to 15 knots increasing to northerly 25 early this evening. Wind northerly 25 Saturday.

Scattered flurries or showers.

Temperatures minus 1 rising to plus 4 Saturday evening.

Waves

Issued 05:00 AM ADT 24 April 2026
Today Tonight and Saturday. Seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 late overnight.

Extended Forecast

Issued 03:00 AM ADT 24 April 2026
Sunday Wind north 20 knots diminishing to variable 10 to 15 in the afternoon.
Monday Wind variable 10 to 15 knots.
Tuesday Wind southeast 15 knots.

Ice Forecast

Issued 10:00 AM EDT 24 April 2026 Today Tonight and Saturday Open water. Consolidated rotten first-year ice in a few sheltered bays. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 24 April 2026 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Cape Breton Island near 4702N 6025W to 4746N
6117W to 4730N 6400W to 4900N 6330W to 4845N 6145W to 5045N 5800W to
4830N 5930W to Newfoundland near 4806N 5905W. Sea ice southwest then
north of the ice edge.

Ice Coverage

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

 

Iceberg Bulletin

Issued 2:30 PM EDT 23 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 24 Apr estimated from Newfoundland near
4655N 5400W to 4320N 5020W to 4320N 4630W to 4630N 4410W to 5000N
4415W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5740N 4850W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti - eastern half

Issued 10:00 AM ADT 24 April 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 24 April 2026 Today Tonight and Saturday At 10:00 a.m. ADT today low 982 mb located southeast of Laurentian
Fan.
By 3:00 a.m. ADT Saturday low 978 mb located over the Grand Banks.

At 8:00 p.m. ADT Saturday departing low 986 mb located over the
northern Grand Banks.

Marine Weather Statement

Issued 9:47 AM ADT 24 April 2026 A low pressure system southeast of Laurentian Fan will track slowly
northward across the Grand Banks today and Saturday. Strong to gale
force northerlies are expected over eastern waters today. Strong
northwesterlies are expected over most waters tonight and Saturday.

Marine interests are advised that a gale warning is in effect for
Laurentian Fan - southeastern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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