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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NST 10 December 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind west 25 knots backing to southwest 15 to 20 this afternoon then increasing to southwest 25 this evening. Wind increasing to southwest 35 Thursday morning.

Showers overnight and Thursday. Fog patches forming Thursday evening.

Waves

Issued 06:00 AM NST 10 December 2025
Today Tonight and Thursday. Seas 3 to 5 metres building to 5 to 7 Thursday evening.

Extended Forecast

Issued 03:00 AM NST 10 December 2025
Friday Wind southwest 25 to 35 knots diminishing to variable 10 to 15 in the morning then increasing to southwest 25 to 35 late in the day.
Saturday Wind southwest 35 knots.
Sunday Wind west 25 knots.

Ice Forecast

Issued 10:00 AM EST 10 December 2025 Today Tonight and Thursday Ice free.  

[ 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

Southeastern Grand Banks

Issued 10:00 AM EST 10 December 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Newfoundland near 4934N 5429W to 4941N 5429W
to 5016N 5608W to 5139N 5511W to 5339N 5536W to 5627N 6028W to 5928N
6239W to Labrador near 6018N 6424W. Sea ice west of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 10 December 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Newfoundland near 4934N 5429W to 4941N 5429W
to 5016N 5608W to 5139N 5511W to 5339N 5536W to 5627N 6028W to 5928N
6239W to Labrador near 6018N 6424W. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southeastern Grand Banks

Issued 1:30 PM EST 10 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Dec estimated from Newfoundland near
4730N 5239W to 4745N 5030W to 5230N 5000W to 5945N 5730W to 6155N
5330W to 6005N 4945W then northeastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 10 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Dec estimated from Newfoundland near
4730N 5239W to 4745N 5030W to 5230N 5000W to 5945N 5730W to 6155N
5330W to 6005N 4945W then northeastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southeastern Grand Banks

Issued 10:00 AM NST 10 December 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 10:00 AM NST 10 December 2025 Today Tonight and Thursday At 10:00 a.m. NST today low 955 mb located south of Greenland.
By 8:00 p.m. NST tonight departing low 956 mb located southeast
of Greenland.

At 10:00 a.m. NST today deepening low 991 mb located near the
Great Lakes.
By 10:00 a.m. NST Thursday deepening low 984 mb located over
New Brunswick.

At 10:00 a.m. NST today ridge located on a line northwest-southeast
over Cabot Strait.
By 10:00 a.m. NST Thursday departing ridge located east of Funk
Island Bank.

Marine Weather Statement

Issued 9:54 AM NST 10 December 2025 An intense low pressure system south of Greenland will continue to
slowly track northeastward away from the district today. Strong to
gale force west to northwesterlies will persist in the low's wake
until this evening.

A second low pressure system will approach the district from the west
tonight and track into the Gulf of St. Lawrence on Thursday. Strong
to gale force southwesterlies will develop over most waters ahead of
this system.

Marine interests are advised that gale warnings are in effect for
East Coast, Northeast Coast - Cape St. John and south, Belle Isle
Bank, Funk Island Bank, and the Grand Banks.

Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Northeast Gulf, Northeast Coast -
north of Cape St. John, and Belle Isle Bank.

Atlantic - Maritimes Area

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Marine Weather for Canada

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