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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 01 April 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind southwest 30 knots increasing to southwest 35 this evening then diminishing to northwest 25 Wednesday morning except northwest 35 over northern sections Wednesday afternoon and evening.

Showers tonight and Wednesday morning. Fog banks dissipating Wednesday morning.

Temperatures plus 8 falling to zero Wednesday afternoon.

Waves

Issued 06:00 AM NDT 01 April 2025
Today Tonight and Wednesday. Seas 2 to 3 metres building to 3 to 4 this afternoon and to 4 to 6 near midnight.

Extended Forecast

Issued 03:00 AM NDT 01 April 2025
Thursday Wind northwest 25 knots diminishing to light in the afternoon.
Friday Wind southeast 25 knots backing to northeast 25.
Saturday Wind northeast 25 knots.

Ice Forecast

Issued 10:00 AM EDT 31 March 2025 Today Tonight and Tuesday 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 31 March 2025 Today Tonight and Tuesday

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 31 March 2025 Today Tonight and Tuesday

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 3:16 PM EDT 31 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 1 Apr estimated from Newfoundland near
4658N 5404W to 4410N 5045W to 4410N 4645W 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 1 Apr estimated from Quebec near
5016N 6208W to Newfoundland near 4753N 5923W.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 3:16 PM EDT 31 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 1 Apr estimated from Newfoundland near
4658N 5404W to 4410N 5045W to 4410N 4645W 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 1 Apr estimated from Quebec near
5016N 6208W to Newfoundland near 4753N 5923W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 03:00 AM NDT 01 April 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 1 April 2025 Today Tonight and Wednesday At 3:00 a.m. NDT today intensifying low 997 mb located over the
St. Lawrence River.
By 3:00 a.m. NDT Wednesday low 982 mb located over Belle Isle Bank.

Marine Weather Statement

Issued 2:50 AM NDT 1 April 2025 A low pressure system over the St. Lawrence River will intensify as
it tracks across the Quebec Lower North Shore today to lie over Belle
Isle Bank by Wednesday morning. Strong southeasterlies ahead of the
low will shift to strong to gale force southwest to northwesterlies
in its wake.

Storm to hurricane force northwesterlies will develop over Belle Isle
Bank on Wednesday afternoon as the low continues to intensify over
the South Labrador Sea.

Marine interests are advised that a hurricane force wind warning is
in effect for Belle Isle Bank. Gale warnings are in effect for all
remaining waters except Northeast Gulf, East Coast - north of Cape
St. Francis, Northern Grand Banks, and Southeastern Grand Banks.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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