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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 10 May 2025

Today Tonight and Sunday.

Wind south 20 knots veering to southwest 25 early this morning then backing to south 15 to 20 this afternoon. Wind veering to southwest 25 near midnight. Wind southwest 25 Sunday.

Showers and fog ending near noon Sunday.

Waves

Issued 06:00 AM NDT 10 May 2025
Today Tonight and Sunday. Seas 2 to 3 metres building to 3 to 4 late overnight.

Extended Forecast

Issued 03:00 AM NDT 10 May 2025
Monday Wind west 25 to 35 knots.
Tuesday Wind west 20 knots veering to northwest 25.
Wednesday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 9 May 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 9 May 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4934N 5428W to 5137N 5339W to 5509N 5448W to 5713N 5722W to 6031N 5844W to 6200N 5759W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 9 May 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4934N 5428W to 5137N 5339W to 5509N 5448W to 5713N 5722W to 6031N 5844W to 6200N 5759W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:39 PM EDT 9 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 May estimated from Newfoundland near 4723N 5503W to 4230N 5105W to 4135N 4720W to 4900N 4045W to 5320N 4815W to 5915N 5605W to 5920N 5335W to 5820N 4745W then eastward.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:39 PM EDT 9 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 May estimated from Newfoundland near 4723N 5503W to 4230N 5105W to 4135N 4720W to 4900N 4045W to 5320N 4815W to 5915N 5605W to 5920N 5335W to 5820N 4745W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 10 May 2025 Today Tonight and Sunday At 3:00 a.m. NDT today ridge located on a line east-west over Funk
Island Bank.
By 10:00 a.m. NDT today departing ridge located east of Funk
Island Bank.

At 3:00 a.m. NDT today deepening low 1009 mb located near Cape Cod.
By 3:00 a.m. NDT Sunday low 996 mb located over the Gulf of
St. Lawrence.

At 3:00 a.m. NDT today trough from low located south of Nova Scotia.
By 3:00 a.m. NDT Sunday trough from low located on a line east-west
over the northern Grand Banks.

Marine Weather Statement

Issued 9:24 AM NDT 10 May 2025 A deepening low pressure system near Cape Cod will approach the
marine district today and cross the Gulf of St. Lawrence on Sunday.
Moderate to strong southeast to northeasterlies ahead of the low will
shift to strong to gale force southwest to northwesterlies in its
wake.

Marine interests are advised that gale warnings are in effect for
Gulf waters, Southwest Coast, South Coast, and East Coast - Cape St.
Francis and south.

Atlantic - Maritimes Area

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Marine Weather for Canada

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