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Anticosti - northeastern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 30 March 2025

Tonight and Monday.

Wind northwest 10 to 15 knots diminishing to light late this evening then increasing to east 20 Monday morning. Wind increasing to southeast 30 Monday afternoon with gusts to 40 along the coast.

Snow Monday changing to freezing rain. Visibility 1 mile or less in snow.

Temperatures near minus 2.

Waves

Issued 05:00 PM ADT 30 March 2025
Tonight and Monday. Seas 1 to 2 metres subsiding to 1 or less early this evening then building to 1 to 2 near noon Monday. Seas building to 2 to 3 Monday evening.

Extended Forecast

Issued 03:30 PM ADT 30 March 2025
Tuesday Wind southwest 25 knots increasing to west 35 in the afternoon.
Wednesday Wind northwest 35 knots.
Thursday Wind northwest 20 knots increasing to southeast 25.

Ice Forecast

Issued 10:00 AM EDT 30 March 2025 Today Tonight and Monday Open water except 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 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport L'Isle-aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 30 March 2025 Today Tonight and Monday

Ice Edge

First ice edge estimated from Cape Breton near 4611N 6125W to 4754N
6113W to 4754N 6327W to Anticosti Island near 4923N 6335W. Sea ice
south and west of the ice edge.

Second ice edge estimated from Anticosti Island near 4948N 6315W to
4948N 5942W to 5031N 5752W to Newfoundland near 4847N 5846W. Sea ice
north and east of the ice edge.

Ice Coverage

Open water except consolidated rotten first-year ice in a few bays.

 

Iceberg Bulletin

Issued 2:30 PM EDT 30 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 31 Mar estimated from Newfoundland near
4658N 5404W to 4410N 5045W to 4430N 4630W to 4655N 4040W to 5155N
4425W to 5510N 4705W to 5900N 5620W to 6110N 5505W to 5830N 4740W
then eastwards.

Western iceberg limit at 0000 UTC 31 Mar estimated from Quebec near
5015N 6057W to Newfoundland near 4833N 5849W.

Iceberg Count

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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 30 March 2025 Tonight and Monday At 8:00 p.m. ADT tonight ridge located from Anticosti Island to
Laurentian Fan.
By 10:00 a.m. ADT Monday departing ridge located east of the
Marine District.

At 8:00 p.m. ADT tonight warm front located from Cape Cod to West
Scotian Slope.
By 8:00 p.m. ADT Monday warm front located from the Gaspe Peninsula
to Banquereau.

Marine Weather Statement

Issued 7:11 PM ADT 30 March 2025 A warm front will approach the marine district from the southwest
tonight and then cross the district on Monday.

Winds will increase to strong southeasterlies over most waters ahead
of the warm front and will reach gale force over parts of the Cabot
Strait and Gulf Magdalen marine districts. Winds will veer to strong
to possibly gale force southwesterlies in the wake of the warm front.

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

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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