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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 23 May 2025

Tonight and Saturday.

Wind southeast 20 knots increasing to southeast 30 this evening then diminishing to southwest 10 to 15 Saturday morning. Wind increasing to southwest 15 to 20 Saturday afternoon.

Rain beginning this evening with a risk of thunderstorms changing to showers Saturday morning. Fog forming this evening.

Waves

Issued 06:00 PM NDT 23 May 2025
Tonight and Saturday. Seas 2 to 3 metres subsiding to 1 to 2 Saturday evening.

Extended Forecast

Issued 03:30 PM NDT 23 May 2025
Sunday Wind southwest 20 knots.
Monday Wind variable 10 to 15 knots.
Tuesday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 23 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 23 May 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Labrador near 5144N 5621W to Newfoundland near 5131N 5612W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5123N 5530W to 5138N 5439W to 5527N 5440W to 5708N 5743W to 6018N 6001W to 6200N 5921W 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 23 May 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Labrador near 5144N 5621W to Newfoundland near 5131N 5612W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5123N 5530W to 5138N 5439W to 5527N 5440W to 5708N 5743W to 6018N 6001W to 6200N 5921W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 3:15 PM EDT 23 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 24 May estimated from Newfoundland near 4709N 5517W to 4355N 5140W to 4400N 4400W to 4830N 4045W to 5345N 4950W to 5915N 5605W to 5705N 5130W 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 3:15 PM EDT 23 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 24 May estimated from Newfoundland near 4709N 5517W to 4355N 5140W to 4400N 4400W to 4830N 4045W to 5345N 4950W to 5915N 5605W to 5705N 5130W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM NDT 23 May 2025 Tonight and Saturday At 3:30 p.m. NDT today low 1000 mb located over the Gulf of Maine.
By 3:30 p.m. NDT Saturday low 1008 mb located over New Brunswick.

At 3:30 p.m. NDT today trough from 1000 mb low located south of
Nova Scotia.
By 3:30 p.m. NDT Saturday trough from 1008 mb low located on a
line east-west over the South Coast of Newfoundland.

At 3:30 p.m. NDT today ridge located from Ungava Bay to the
Grand Banks.
By 3:30 p.m. NDT Saturday ridge located from Hudson Bay to Belle
Isle Bank.

Atlantic - Maritimes Area

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Marine Weather for Canada

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