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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 31 March 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind west 10 to 15 knots becoming light this morning then increasing to southeast 15 this afternoon. Wind increasing to southeast 25 early this evening then veering to southwest 25 near midnight. Wind increasing to southwest 35 Tuesday evening.

Snow or rain this afternoon and this evening. Periods of rain Tuesday evening. Fog banks forming this evening.

Waves

Issued 06:00 AM NDT 31 March 2025
Today Tonight and Tuesday. Seas 2 to 3 metres subsiding to 1 to 2 near noon then building to 2 to 3 this evening. Seas building to 3 to 4 Tuesday afternoon.

Extended Forecast

Issued 03:00 AM NDT 31 March 2025
Wednesday Wind southwest 35 knots veering to northwest 25 to 35 in the morning.
Thursday Wind northwest 25 knots diminishing to light.
Friday Wind southeast 25 knots backing to northeast 25.

Ice Forecast

Issued 10:00 AM EDT 30 March 2025 Today Tonight and Monday Bergy water.  

[ 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 30 March 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 5012N 4758W
to 5458N 5130W to 5734N 5655W to 6122N 5833W to 6149N 5719W 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 30 March 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 5012N 4758W
to 5458N 5130W to 5734N 5655W to 6122N 5833W to 6149N 5719W 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 2:30 PM EDT 30 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 31 Mar estimated from Newfoundland near
4658N 5404W to 4410N 5045W to 4430N 4630W to 4655N 4040W to 5155N
4425W to 5510N 4705W to 5900N 5620W to 6110N 5505W to 5830N 4740W
then eastwards.

Western iceberg limit at 0000 UTC 31 Mar estimated from Quebec near
5015N 6057W to Newfoundland near 4833N 5849W.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 30 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 31 Mar estimated from Newfoundland near
4658N 5404W to 4410N 5045W to 4430N 4630W to 4655N 4040W to 5155N
4425W to 5510N 4705W to 5900N 5620W to 6110N 5505W to 5830N 4740W
then eastwards.

Western iceberg limit at 0000 UTC 31 Mar estimated from Quebec near
5015N 6057W to Newfoundland near 4833N 5849W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 03:00 AM NDT 31 March 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 31 March 2025 Today Tonight and Tuesday At 3:00 a.m. NDT today ridge located on a line northwest-southeast
over the Gulf of St. Lawrence.
By 3:00 a.m. NDT Tuesday ridge located on a line northwest-southeast
over Belle Isle Bank.

At 3:00 a.m. NDT today low 996 mb located over southern Ontario.
By 3:00 a.m. NDT Tuesday low 994 mb located north of the Gaspe
Peninsula.

Marine Weather Statement

Issued 2:56 AM NDT 31 March 2025 An intense low pressure system will approach the district on Tuesday
and cross the Strait of Belle Isle Tuesday night. Strong east to
southeasterly winds will develop ahead of the low and increase to
strong to gale force southwesterly winds in its wake.

Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, and Southwestern Grand Banks.

Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Northeast Coast, and Belle Isle Bank
- northeastern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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