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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 22 April 2025

Tonight and Wednesday.

Wind northwest 15 to 20 knots diminishing to variable 10 to 15 late overnight then increasing to south 20 Wednesday afternoon.

Rain Wednesday afternoon and evening. Fog banks forming Wednesday evening.

Waves

Issued 06:00 PM NDT 22 April 2025
Tonight and Wednesday. Seas 3 to 4 metres subsiding to 2 to 3 this evening.

Extended Forecast

Issued 03:30 PM NDT 22 April 2025
Thursday Wind southeast 25 knots veering to southwest 25 in the morning.
Friday Wind northwest 15 to 20 knots diminishing to light.
Saturday Wind west 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 22 April 2025 Today Tonight and Wednesday 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 22 April 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5328W to 5130N 5033W
to 5343N 5022W to 5526N 5139W to 5701N 5617W to 6133N 5909W to 6200N
5851W 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 22 April 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5328W to 5130N 5033W
to 5343N 5022W to 5526N 5139W to 5701N 5617W to 6133N 5909W to 6200N
5851W 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 3:33 PM EDT 22 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 23 Apr estimated from Newfoundland near
4731N 5444W to 4110N 5200W to 4135N 4745W to 4725N 3605W to 5415N
4450W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 23 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 3:33 PM EDT 22 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 23 Apr estimated from Newfoundland near
4731N 5444W to 4110N 5200W to 4135N 4745W to 4725N 3605W to 5415N
4450W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 23 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 8:00 PM NDT 22 April 2025 Tonight and Wednesday At 8:00 p.m. NDT tonight low 984 mb located east of the Marine
District.
By 10:00 a.m. NDT Wednesday departing low 990 mb located east of
the Marine District.

At 8:00 p.m. NDT tonight ridge located on a line north-south over
Cabot Strait.
By 8:00 p.m. NDT Wednesday ridge located on a line
northwest-southeast over the northern Grand Banks.

At 3:00 a.m. NDT Wednesday approaching low 1011 mb located over
Quebec.

Marine Weather Statement

Issued 7:47 PM NDT 22 April 2025 A low pressure system east of the marine district will weaken and
slowly depart throughout the forecast period. Strong to gale force
north to northwesterly winds in the wake of the low will gradually
diminish as the low departs.

Marine interests are advised that gale warnings are in effect for
East Coast - north of Cape St. Francis, Belle Isle Bank, Funk Island
Bank, Northern Grand Banks, and Southeastern Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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