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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 11 March 2025

Today Tonight and Wednesday.

Wind northwest 25 knots backing to west 20 this afternoon then diminishing to light near midnight. Wind increasing to southeast 20 Wednesday morning.

Flurries ending near noon. Visibility as low as 1 mile in flurries.

Waves

Issued 06:00 PM NDT 10 March 2025
Tonight and Tuesday. Seas 2 to 3 metres.

Extended Forecast

Issued 03:00 AM NDT 11 March 2025
Thursday Wind southeast 15 to 20 knots backing to northeast 20 in the afternoon.
Friday Wind north 15 knots diminishing to light.
Saturday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 10 March 2025 Today Tonight and Tuesday Ice free.  

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Banquereau - 44139 LaHave Bank - 44150 Halifax Harbour - 44258 East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Baie-Comeau Airport Havre-Saint-Pierre Airport Île aux Perroquets Île Rouge Longue-Pointe-de-Mingan Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport Heath Point Îles de la Madeleine Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat Bas Caraquet Bathurst Airport Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Baccaro Point Beaver Island Brier Island Caribou Point Debert Eskasoni (First Nations) Grand Étang CFB Greenwood Hart Island Ingonish Beach Kentville AAFC Lunenburg McNabs Island Nappan AAFC North Mountain Parrsboro Sable Island St.Paul Island Shearwater Airport J.A. Douglas McCurdy Sydney Airport Tracadie Western Head Yarmouth Airport Charlottetown Airport East Point North Cape Summerside Burgeo Port aux Basques Sagona Island St. Lawrence Stephenville Airport Winterland Branch Hill Wreckhouse
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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 10 March 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4652N 5523W to 4615N 5246W
to 4830N 5045W to 5500N 5030W to 5800N 5730W to 6030N 5830W to 6200N
5630W then eastward. Sea ice west of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 10 March 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4652N 5523W to 4615N 5246W
to 4830N 5045W to 5500N 5030W to 5800N 5730W to 6030N 5830W to 6200N
5630W then eastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:58 PM EDT 10 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Mar estimated from Newfoundland near
4709N 5258W to 4845N 4730W to 5025N 4505W to 5335N 4745W to 5900N
5620W to 6030N 5525W to 5725N 4600W then eastwards.

Western iceberg limit at 0000 UTC 11 Mar estimated from Quebec near
5035N 5955W to Newfoundland near 4925N 5800W.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:58 PM EDT 10 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Mar estimated from Newfoundland near
4709N 5258W to 4845N 4730W to 5025N 4505W to 5335N 4745W to 5900N
5620W to 6030N 5525W to 5725N 4600W then eastwards.

Western iceberg limit at 0000 UTC 11 Mar estimated from Quebec near
5035N 5955W to Newfoundland near 4925N 5800W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 11 March 2025 Today Tonight and Wednesday At 3:00 a.m. NDT today quasi-stationary trough located northeast
of the Marine District.

At 3:00 a.m. NDT today ridge located over western Labrador.
By 3:00 a.m. NDT Wednesday ridge located on a line
northeast-southwest over the Northeast Coast of Newfoundland.

At 3:00 a.m. NDT Wednesday approaching trough located near
Anticosti Island.

Marine Weather Statement

Issued 2:53 AM NDT 11 March 2025 A trough of low pressure northeast of the marine district will remain
nearly stationary today and tonight before weakening on Wednesday.
Meanwhile a ridge of high pressure approaching from the west will
move to lie over Newfoundland tonight. Gale force northwesterlies
over Belle Isle Bank between these two features will diminish on
Wednesday as the trough weakens.

A second trough approaching from the west will move to lie over the
St. Lawrence River tonight before crossing Labrador on Wednesday.
Strong to gale force southerlies to westerlies will develop over Gulf
waters on Wednesday to the south of the trough.

Marine interests are advised that gale warnings are in effect for the
Gulf waters and Belle Isle Bank.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except Strait of Belle Isle - eastern half and
the Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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