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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 19 May 2025

Today Tonight and Tuesday.

Wind southeast 15 to 20 knots veering to southwest 20 this morning except east 20 over northern sections. Wind diminishing to variable 10 to 15 this evening except northeast 25 over northwestern sections. Wind becoming northeast 25 near noon Tuesday.

Rain and fog banks. Risk of thunderstorms today and early this evening and Tuesday afternoon and evening.

Waves

Issued 06:00 PM NDT 18 May 2025
Tonight and Monday. Seas 1 to 2 metres except 2 to 3 over southern sections. Seas building to 2 to 3 Monday evening.

Extended Forecast

Issued 03:00 AM NDT 19 May 2025
Wednesday Wind northeast 25 knots.
Thursday Wind northeast 25 knots diminishing to north 10 to 15.
Friday Wind light increasing to southeast 25 knots.

Ice Forecast

Issued 10:00 AM EDT 18 May 2025 Today Tonight and Monday 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 18 May 2025 Today Tonight and Monday

Ice Edge

First ice edge estimated from Labrador near 5126N 5728W to Newfoundland near 5102N 5704W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5001N 5553W to 5031N 5429W to 5536N 5457W to 5708N 5743W to 6200N 5921W then northeastward. Sea ice west of the ice edge.

Third ice edge estimated from 6158N 5257W to 6033N 5252W to 6018N 5055W then southeastward. Sea ice east of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 18 May 2025 Today Tonight and Monday

Ice Edge

First ice edge estimated from Labrador near 5126N 5728W to Newfoundland near 5102N 5704W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5001N 5553W to 5031N 5429W to 5536N 5457W to 5708N 5743W to 6200N 5921W then northeastward. Sea ice west of the ice edge.

Third ice edge estimated from 6158N 5257W to 6033N 5252W to 6018N 5055W then southeastward. Sea ice east of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 18 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 19 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5800N 5040W 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 2:30 PM EDT 18 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 19 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5800N 5040W 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 19 May 2025 Today Tonight and Tuesday At 3:00 a.m. NDT today trough located on a line northwest-southeast
over Nova Scotia.
By 3:00 a.m. NDT Tuesday trough located from Laurentian Fan to
the Grand Banks.

At 3:00 a.m. NDT today ridge located from Labrador Sea to Funk
Island Bank.
By 3:30 p.m. NDT today dissipating ridge located on a line east-west
over Funk Island Bank.

Atlantic - Maritimes Area

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Marine Weather for Canada

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