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Southeastern Grand Banks

Forecast

Marine Forecast

Issued 03:00 AM NST 06 December 2025

Today Tonight and Sunday.

Storm warning in effect.

Wind west 50 to 60 knots diminishing to northwest 35 to 45 near noon and to northwest 25 to 35 this evening. Wind diminishing to northwest 15 to 20 overnight then increasing to northwest 25 Sunday afternoon.

Flurries or showers ending near midnight.

Waves

Issued 06:00 AM NST 06 December 2025
Today Tonight and Sunday. Seas 9 to 12 metres subsiding to 7 to 9 near noon and to 5 to 7 this evening. Seas subsiding to 3 to 5 late overnight.

Extended Forecast

Issued 03:00 AM NST 06 December 2025
Monday Wind northwest 25 knots backing to west 15 to 20 in the morning then to south 15 to 20 late in the day.
Tuesday Wind south 25 to 35 knots increasing to northwest 35 to 45.
Wednesday Wind west 25 knots.

Ice Forecast

Issued 10:00 AM EST 5 December 2025 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 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 5 December 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Newfoundland near 5039N 5607W to 5042N
5551W to 5141N 5511W to 5142N 5511W to 5147N 5545W to Newfoundland
near 5137N 5557W. Sea ice west then south of the ice edge.

Second ice edge estimated from Labrador near 5347N 5630W to 5445N
5700W to 5547N 5953W to 5646N 6052W 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 5 December 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Newfoundland near 5039N 5607W to 5042N
5551W to 5141N 5511W to 5142N 5511W to 5147N 5545W to Newfoundland
near 5137N 5557W. Sea ice west then south of the ice edge.

Second ice edge estimated from Labrador near 5347N 5630W to 5445N
5700W to 5547N 5953W to 5646N 6052W 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 5 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 Dec estimated from Newfoundland near
4830N 5310W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 5 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 Dec estimated from Newfoundland near
4830N 5310W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Storm warning in effect

Southeastern Grand Banks

Issued 03:00 AM NST 06 December 2025

'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 3:00 AM NST 6 December 2025 Today Tonight and Sunday At 3:00 a.m. NST today low 962 mb located southeast of Funk
Island Bank.
By 3:00 a.m. NST Sunday low 961 mb located east of the Marine
District.

At 3:00 a.m. NST today ridge located on a line north-south over
the Maritimes.
By 3:00 a.m. NST Sunday ridge located on a line north-south over
Cabot Strait.

Marine Weather Statement

Issued 2:55 AM NST 6 December 2025 A low pressure system southeast of Funk Island Bank will move to lie
east of the marine district by this afternoon. Storm to hurricane
force west to northwesterlies will diminish to gale to storm force
this morning before diminishing to strong to gale force this evening.

Marine interests are advised that hurricane force wind warnings are
in effect for Funk Island Bank and Northern Grand Banks.
Storm warnings are in effect for South Coast, East Coast, and
Southern Grand Banks. Gale warnings are in effect for all remaining
waters except Strait of Belle Isle - western half and Northeast Gulf.

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

Marine interests are also advised that water levels are expected to
exceed the highest astronomical tide with high waves and pounding
surf, impacting some coastal areas of Southwest Coast, South Coast
and East Coast this morning, most significant near high tide.

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