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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 01 May 2025

Today Tonight and Friday.

Gale warning in effect.

Wind northwest 40 knots diminishing to northwest 30 this evening and to northwest 15 overnight. Wind diminishing to light Friday afternoon.

Scattered flurries ending early this morning.

Waves

Issued 05:00 AM ADT 01 May 2025
Today Tonight and Friday. Seas 3 to 5 metres subsiding to 3 early this evening and to 2 near midnight. Seas subsiding to 1 or less Friday morning.

Extended Forecast

Issued 03:00 AM ADT 01 May 2025
Saturday Wind south 25 knots.
Sunday Wind southwest 25 knots.
Monday Wind northwest 30 knots diminishing to northwest 15.

Ice Forecast

Issued 10:00 AM EDT 30 April 2025 Today Tonight and Thursday 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 30 April 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5013N 6207W to 4959N 6152W to
4959N 6028W to 5053N 5806W to Newfoundland near 5029N 5728W. Sea ice
north then east of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 3:25 PM EDT 30 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 1 May estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 1 May estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait

Issued 03:00 AM ADT 01 May 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 1 May 2025 Today Tonight and Friday At 3:00 a.m. ADT today low 993 mb located over Newfoundland.
By 3:30 p.m. ADT today departing low 994 mb located east of
Newfoundland.

At 8:00 p.m. ADT tonight ridge located on a line north-south over
the western Marine District.
By 8:00 p.m. ADT Friday ridge located over the eastern Marine
District.

At 3:30 p.m. ADT Friday approaching low 999 mb located over Quebec.

Marine Weather Statement

Issued 2:51 AM ADT 1 May 2025 A low pressure system over Newfoundland will continue tracking
eastward today departing the region east of Newfoundland tonight.
Strong to gale force northwest winds over eastern waters will
gradually diminish as the low moves away.

Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan - northeastern half, Cabot Strait,
Northumberland Strait - eastern half, Gulf-Magdalen and Anticosti.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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