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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 26 April 2025

Today Tonight and Sunday.

Wind light increasing to south 15 knots overnight and to southeast 25 Sunday morning. Wind veering to south 30 Sunday evening.

Periods of rain Sunday. Fog patches forming Sunday evening.

Waves

Issued 06:00 PM NDT 25 April 2025
Tonight and Saturday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM NDT 26 April 2025
Monday Wind south 35 knots diminishing to variable 10 to 15 in the afternoon.
Tuesday Wind northwest 10 to 15 knots.
Wednesday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 25 April 2025 Today Tonight and Saturday Bergy water.  

[ 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

Southwestern Grand Banks

Issued 10:00 AM EDT 25 April 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5328W to 4935N 5202W
to 5449N 5151W to 5629N 5651W to 6129N 5944W to 6200N 5900W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 25 April 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5328W to 4935N 5202W
to 5449N 5151W to 5629N 5651W to 6129N 5944W to 6200N 5900W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 24 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 25 Apr estimated from Newfoundland near
4731N 5444W to 4055N 5215W to 4125N 4740W to 4705N 3500W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 25 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the
iceberg limit.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 24 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 25 Apr estimated from Newfoundland near
4731N 5444W to 4055N 5215W to 4125N 4740W to 4705N 3500W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 25 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 26 April 2025 Today Tonight and Sunday At 3:00 a.m. NDT today ridge located from the Gulf of St. Lawrence
to the Grand Banks.
By 3:00 a.m. NDT Sunday ridge located over the southeastern
Grand Banks.

At 3:00 a.m. NDT today deepening low 1008 mb located over southern
Ontario.
By 3:00 a.m. NDT Sunday low 1000 mb located over New England.

Marine Weather Statement

Issued 2:56 AM NDT 26 April 2025 A developing low pressure system over Southern Ontario will move to
lie over New England tonight then the Maritimes on Sunday.
Winds will increase to strong to gale force southeasterlies for most
waters as the low approaches.

Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, East Coast, Funk Island Bank, and
Northern Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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