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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 10:00 AM NST 21 December 2024

Today Tonight and Sunday.

Storm warning in effect.

Wind south 35 to 45 knots increasing to south 45 to 55 this afternoon then diminishing to southwest 35 this evening. Wind diminishing to west 25 Sunday morning and to variable 15 Sunday afternoon.

Showers. Risk of thunderstorms this evening.

Waves

Issued 06:00 AM NST 21 December 2024
Today Tonight and Sunday. Seas 2 to 3 metres building to 3 to 5 this morning and to 5 to 7 this afternoon. Seas subsiding to 3 to 5 near noon Sunday.

Extended Forecast

Issued 03:00 AM NST 21 December 2024
Monday Wind northwest 20 knots.
Tuesday Wind northwest 15 knots becoming variable 10 to 15.
Wednesday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EST 20 December 2024 Today Tonight and Saturday Ice free.  

[ Canadian Ice Service ]

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Weather Conditions

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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 EST 20 December 2024 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 5009N 5610W to 5141N 5512W
to 5325N 5531W to 5500N 5725W to 5552N 6004W to 6033N 6256W to 6200N
6050W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 20 December 2024 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 5009N 5610W to 5141N 5512W
to 5325N 5531W to 5500N 5725W to 5552N 6004W to 6033N 6256W to 6200N
6050W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 1:30 PM EST 20 December 2024

Iceberg Limit

Iceberg limit at 0000 UTC 21 Dec estimated from the Labrador coast
near 5320N 5549W to 5145N 5030W to 5245N 4800W to 5345N 4800W to
5900N 5800W to 5945N 5230W then eastwards.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 20 December 2024

Iceberg Limit

Iceberg limit at 0000 UTC 21 Dec estimated from the Labrador coast
near 5320N 5549W to 5145N 5030W to 5245N 4800W to 5345N 4800W to
5900N 5800W to 5945N 5230W then eastwards.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Storm warning in effect

Southwestern Grand Banks

Issued 10:00 AM NST 21 December 2024

'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. 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 10:00 AM NST 21 December 2024 Today Tonight and Sunday At 10:00 a.m. NST today intensifying low 988 mb located south of
Nova Scotia.
By 10:00 a.m. NST Sunday low 964 mb located over Belle Isle Bank.

At 10:00 a.m. NST today ridge located over northern Belle Isle Bank.
By 3:30 p.m. NST today dissipating ridge located on a line east-west
over southern Labrador Sea.

Marine Weather Statement

Issued 9:50 AM NST 21 December 2024 A rapidly intensifying low pressure system will approach from the
southwest today and quickly track northeastward across Newfoundland
tonight. Gale to storm force east to northeasterlies will spread
north and west of the low while gale to storm force southerlies will
develop to its east. Winds will shift to gale to storm force
northwest to southwesterlies in the wake of the low.

Marine interests are advised that storm warnings are in effect for
all waters except Southeastern Grand Banks where a gale warning is in
effect.

Marine interests are also advised that freezing spray warnings are in
effect for Gulf waters.

Atlantic - Maritimes Area

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