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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NST 17 December 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind west 25 knots diminishing to west 15 to 20 near noon then backing to southwest 25 this evening. Wind increasing to southwest 35 to 45 overnight then veering to northwest 35 Thursday afternoon.

Showers or flurries ending near noon. Rain Thursday.

Waves

Issued 06:00 PM NST 16 December 2025
Tonight and Wednesday. Seas 5 to 7 metres subsiding to 3 to 5 near noon Wednesday.

Extended Forecast

Issued 03:00 AM NST 17 December 2025
Friday Wind northwest 25 knots diminishing to west 15 in the morning then backing to southwest 15 to 20 in the afternoon.
Saturday Wind south 35 knots.
Sunday Wind west 25 to 35 knots diminishing to west 15.

Ice Forecast

Issued 10:00 AM EST 16 December 2025 Today Tonight and Wednesday 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 16 December 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4927N 5356W to 4944N 5358W
to 5012N 5536W to 5125N 5504W to 5349N 5528W to 5633N 6011W 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 16 December 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4927N 5356W to 4944N 5358W
to 5012N 5536W to 5125N 5504W to 5349N 5528W to 5633N 6011W 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 16 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 17 Dec estimated from Newfoundland near
5020N 5628W to 5030N 5515W to 5330N 5200W to 5945N 5730W to 6155N
5330W to 6005N 4945W to 5900N 4600W then northeastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 16 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 17 Dec estimated from Newfoundland near
5020N 5628W to 5030N 5515W to 5330N 5200W to 5945N 5730W to 6155N
5330W to 6005N 4945W to 5900N 4600W then northeastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southeastern Grand Banks

Issued 03:00 AM NST 17 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 3:00 AM NST 17 December 2025 Today Tonight and Thursday At 3:00 a.m. NST today low 943 mb located southeast of Greenland.
By 10:00 a.m. NST today departing low 945 mb located southeast
of Greenland.

At 3:00 a.m. NST today trough located on a line northeast-southwest
over Ontario.
By 3:00 a.m. NST Thursday trough located on a line
northeast-southwest over the West Coast of Newfoundland.

At 3:00 a.m. NST today ridge located on a line north-south over
the West Coast of Newfoundland.
By 3:00 a.m. NST Thursday departing ridge located east of the
Marine District.

Marine Weather Statement

Issued 2:57 AM NST 17 December 2025 An intense low pressure system southeast of Greenland will depart to
the east today. Gale force west to northwesterlies over northeastern
waters behind the low will diminish this morning as it departs.

A trough of low pressure will cross the marine district on Thursday.
Strong to gale force southwesterlies will spread across the marine
district ahead of the trough today before shifting to strong to gale
force northwesterlies in its wake on Thursday.

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

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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