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West Scotian Slope

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 18 April 2025

Tonight and Saturday.

Gale warning in effect.

Wind westerly 10 to 15 knots backing to southwest 15 to 20 after midnight then increasing to southwest 25 early Saturday morning. Wind increasing to southwest 35 Saturday afternoon.

Fog banks forming Saturday afternoon.

Waves

Issued 05:00 PM ADT 18 April 2025
Tonight and Saturday. Seas 1 to 2 metres building to 2 to 3 Saturday morning and to 3 to 4 Saturday evening.

Extended Forecast

Issued 03:30 PM ADT 18 April 2025
Sunday Wind southwest 25 knots increasing to northwest 25 to 35 in the afternoon.
Monday Wind northwest 25 knots diminishing to northwest 15.
Tuesday Wind south 15 knots increasing to south 25 to 30.

Ice Forecast

Issued 10:00 AM EDT 18 April 2025 Today Tonight and Saturday 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 18 April 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4700N 6449W to
4831N 6351W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.

Second ice edge estimated from Quebec near 4904N 6646W to 5005N
6518W to 4936N 5930W to Newfoundland near 5022N 5732W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:30 PM EDT 18 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 18 Apr estimated from Newfoundland near
4731N 5444W to 4125N 5145W to 4210N 4800W to 4635N 3815W to 5345N
4510W to 5915N 5605W to 6035N 5500W to 5850N 4935W then eastwards.

Western iceberg limit at 0000 UTC 18 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

West Scotian Slope

Issued 3:30 PM ADT 18 April 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 3:30 PM ADT 18 April 2025 Tonight and Saturday At 3:30 p.m. ADT today weakening low 998 mb located over northern
Labrador.

At 3:30 p.m. ADT today ridge located from Georges Bank to New
Brunswick.
By 3:00 a.m. ADT Saturday ridge located south of the Marine
District.

At 3:00 a.m. ADT Saturday low 1003 mb located over the Great Lakes.
By 8:00 p.m. ADT Saturday low 1000 mb located over the Gaspe
Peninsula.

Marine Weather Statement

Issued 3:17 PM ADT 18 April 2025 A ridge of high pressure approaching from the west will move to lie
over the southern marine district Saturday. Meanwhile a trough of low
pressure will move to lie over the Gaspé Peninsula by Saturday
evening. Strong to gale force southwesterlies will develop across the
district Saturday in between these two features.

Marine interests are advised that gale warnings are in effect for
Browns Bank, Georges Bank, LaHave Bank, West Scotian Slope, eastern
shore - eastern half, Sable, East Scotian Slope and Fourchu.

Atlantic - Maritimes Area

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Marine Weather for Canada

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