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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 27 April 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind southerly 30 knots diminishing to south 20 early this evening and to variable 15 near midnight. Wind increasing to northeast 25 near noon Monday.

Rain changing to showers this evening and ending near midnight. Showers Monday becoming flurries or showers. Fog patches dissipating Monday evening.

Waves

Issued 05:00 AM ADT 27 April 2025
Today Tonight and Monday. Seas 3 to 4 metres subsiding to 2 to 3 early this evening and to 1 to 2 Monday morning. Seas building to 2 to 3 near noon Monday.

Extended Forecast

Issued 03:00 AM ADT 27 April 2025
Tuesday Wind northeast 20 knots diminishing to light in the morning then increasing to southerly 25 late in the day.
Wednesday Wind southerly 25 knots.
Thursday Wind northwest 35 knots.

Ice Forecast

Issued 10:00 AM EDT 26 April 2025 Today Tonight and Sunday Ice free. 

[ 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 26 April 2025 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Quebec near 4832N 6412W to 4835N 6404W
to 4844N 6402W 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

Ice free.

 

Iceberg Bulletin

Issued 2:30 PM EDT 26 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 27 Apr estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4655N 3430W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 27 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - southern half

Issued 10:00 AM ADT 27 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 10:00 AM ADT 27 April 2025 Today Tonight and Monday At 10:00 a.m. ADT today low 1000 mb located over the Gulf of Maine.
By 3:30 p.m. ADT today low 1000 mb located over Grand Manan.

At 8:00 p.m. ADT tonight low 1002 mb located near Lurcher.
By 3:30 p.m. ADT Monday low 1006 mb located over Fourchu.

Marine Weather Statement

Issued 9:30 AM ADT 27 April 2025 A low pressure system is slowly tracking eastward across the
Maritimes today. Strong to gale force southerlies ahead of the system
will move east of the marine district tonight while strong to near
gale force northerlies will build on Monday in its wake.

Marine interests are advised that a gale warning is in effect for
Cabot Strait - northern half.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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