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Gulf - Magdalen - northeastern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 21 April 2026

Tonight and Wednesday.

Wind northwest 10 to 15 knots diminishing to light early this evening then becoming north 15 late overnight. Wind backing to west 15 Wednesday evening.

Temperatures near minus 2.

Waves

Issued 05:00 PM ADT 21 April 2026

Gulf - Magdalen - eastern half

Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 near midnight.

Gulf - Magdalen - western half

Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 03:30 PM ADT 21 April 2026
Thursday Wind northwest 15 knots.
Friday Wind variable 10 to 15 knots increasing to northeast 25.
Saturday Wind northerly 25 knots.

Ice Forecast

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday Open water. Consolidated rotten first-year ice along parts of the Magdalen Islands coast. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Cape Breton Island near 4702N 6025W to
4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.

Second ice edge estimated from Quebec near 4920N 6722W to 5005N
6558W to 4841N 6158W to 4957N 6006W to 4935N 5822W to 4836N 5937W to
Newfoundland near 4806N 5905W. Sea ice north of the ice edge.

Ice Coverage

Open water. Consolidated rotten first-year ice along parts of the
Magdalen Islands coast.

 

Iceberg Bulletin

Issued 2:30 PM EDT 21 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 Apr estimated from Newfoundland near
4655N 5400W to 4415N 5210W to 4340N 4630W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5740N 4850W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 21 April 2026 Tonight and Wednesday At 3:30 p.m. ADT today building ridge located from Labrador to
the Gulf of Maine.
By 3:30 p.m. ADT Wednesday quasi-stationary ridge located from
Labrador to Browns Bank.

At 8:00 p.m. ADT tonight low 1004 mb located south of Laurentian
Fan.
By 3:30 p.m. ADT Wednesday low 1001 mb located near the Avalon
Peninsula.

Marine Weather Statement

Issued 3:20 PM ADT 21 April 2026 A low pressure system south of Laurentian Fan this evening will move
northeast tonight to lie near the Avalon Peninsula by late Wednesday
morning. Strong to gale force northerly winds will develop on the
western side of the low tonight.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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