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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 10:00 AM NST 06 December 2025

Today Tonight and Sunday.

Gale warning in effect.

Wind northwest 35 knots diminishing to northwest 15 to 20 this evening except light over southern sections tonight and Sunday.

Flurries or showers ending near midnight.

Waves

Issued 06:00 AM NST 06 December 2025
Today Tonight and Sunday. Seas 7 to 9 metres subsiding to 5 to 7 near noon and to 3 to 5 this evening. Seas subsiding to 2 to 3 Sunday morning.

Extended Forecast

Issued 03:00 AM NST 06 December 2025
Monday Wind variable 10 to 15 knots increasing to south 25 in the afternoon and to south 35 late in the day.
Tuesday Wind west 35 to 45 knots veering to northwest 25 to 35.
Wednesday Wind west 25 knots increasing to southwest 25 to 35.

Ice Forecast

Issued 10:00 AM EST 6 December 2025 Today Tonight and Sunday 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

Southwestern Grand Banks

Issued 10:00 AM EST 6 December 2025 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Newfoundland near 4958N 5542W to 5015N
5605W 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 6 December 2025 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Newfoundland near 4958N 5542W to 5015N
5605W 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

Southwestern 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)

Gale warning in effect

Southwestern Grand Banks

Issued 10:00 AM NST 06 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 6 December 2025 Today Tonight and Sunday At 10:00 a.m. NST today low 961 mb located southeast of Funk
Island Bank.
By 10:00 a.m. NST Sunday low 963 mb located east of the Marine
District.

At 10:00 a.m. NST today quasi-stationary trough from low located
over southern Labrador Sea.

At 10:00 a.m. NST today ridge located on a line north-south over
the Maritimes.
By 10:00 a.m. NST Sunday dissipating ridge located on a line
northwest-southeast over Newfoundland.

Marine Weather Statement

Issued 10:02 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. Gale to storm force
west to northwesterlies will diminish to strong to gale force this
evening.

Marine interests are advised that storm warnings are in effect for
Funk Island Bank, Northern Grand Banks, and Southeastern Grand Banks.
Gale warnings are in effect for all remaining waters except Strait of
Belle Isle - western half and Gulf waters.

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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