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West Scotian Slope

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 22 May 2025

Today Tonight and Friday.

Gale warning in effect.

Wind east 25 knots increasing to southeast 35 this evening then diminishing to southwest 20 to 25 Friday morning. Wind diminishing to west 15 Friday evening.

Rain tonight with a risk of thunderstorms. Fog patches forming near midnight and dissipating Friday afternoon.

Waves

Issued 05:00 AM ADT 22 May 2025
Today Tonight and Friday. Seas 2 metres building to 3 to 5 this evening then subsiding to 2 to 3 Friday evening.

Extended Forecast

Issued 03:00 AM ADT 22 May 2025
Saturday Wind southwest 15 knots veering to west 20 in the afternoon.
Sunday Wind west 20 knots.
Monday Wind northwest 15 knots.

Ice Forecast

Issued 10:00 AM EDT 21 May 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 21 May 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5124N 5751W to 5055N 5734W to 5102N 5716W then northeastward. Sea ice northeast of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:30 PM EDT 21 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 22 May estimated from Newfoundland near 4710N 5518W to 4125N 5210W to 4120N 4555W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5755N 5155W to 5900N 4845W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

West Scotian Slope

Issued 10:00 AM ADT 22 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 10:00 AM ADT 22 May 2025 Today Tonight and Friday At 10:00 a.m. ADT today ridge located on a line north-south over
the Maritimes.
By 8:00 p.m. ADT tonight ridge located from Anticosti Island to
the Grand Banks.

At 3:30 p.m. ADT today low 1001 mb located south of Long Island.
By 8:00 p.m. ADT Friday low 1003 mb located near Grand Manan.

Marine Weather Statement

Issued 9:54 AM ADT 22 May 2025 A low pressure system will approach the marine district from the
southwest today and pass Cape Cod tonight to lie near Grand Manan
late in the day Friday. Strong to gale force easterly winds will
develop ahead of the low beginning this evening.

Marine interests are advised that gale warnings are in effect for all
waters except Fundy, Northumberland Strait, Chaleur - Miscou, and
Anticosti.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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