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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NST 12 December 2025

Today Tonight and Saturday.

Gale warning in effect.

Wind variable 10 to 15 knots increasing to west 35 near noon then diminishing to west 25 Saturday evening.

Showers ending Saturday afternoon. Fog banks dissipating near noon.

Waves

Issued 06:00 AM NST 12 December 2025
Today Tonight and Saturday. Seas 3 to 5 metres except 5 to 7 over eastern sections early this morning. Seas building to 5 to 7 near midnight.

Extended Forecast

Issued 03:00 AM NST 12 December 2025
Sunday Wind west 25 knots diminishing to variable 15 to 20 in the afternoon.
Monday Wind south 35 knots.
Tuesday Wind west 45 to 55 knots diminishing to west 25.

Ice Forecast

Issued 10:00 AM EST 12 December 2025 Today Tonight and Saturday 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 12 December 2025 Today Tonight and Saturday

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 12 December 2025 Today Tonight and Saturday

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 11 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Dec estimated from Newfoundland near
4730N 5239W to 4730N 5030W to 5200N 4915W 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 11 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Dec estimated from Newfoundland near
4730N 5239W to 4730N 5030W to 5200N 4915W 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 12 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 12 December 2025 Today Tonight and Saturday At 10:00 a.m. NST today deepening low 968 mb located southeast of
Labrador Sea.
By 10:00 a.m. NST Saturday low 958 mb located southeast of
Labrador Sea.

At 10:00 a.m. NST today trough from low located on a line
northeast-southwest over the Quebec Lower North Shore.
By 10:00 a.m. NST Saturday dissipating trough from low located
east of the Marine District.

Marine Weather Statement

Issued 9:51 AM NST 12 December 2025 A low pressure system southeast of the Labrador Sea will stall today
as it deepens. A trailing trough from the low will sweep from west to
east, crossing Newfoundland Saturday morning. Strong to gale force
west to southwesterlies can be expected today and Saturday across
most waters due to these features.

Marine interests are advised that gale warnings are in effect for all
waters except Gulf waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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