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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NST 06 December 2025

Tonight and Sunday.

Wind northwest 15 to 20 knots except light over southern sections. Wind becoming variable 15 to 20 near midnight then becoming northwest 15 to 20 Sunday afternoon.

Flurries or showers this evening.

Waves

Issued 06:00 PM NST 06 December 2025
Tonight and Sunday. Seas 3 to 5 metres subsiding to 2 to 3 Sunday morning.

Extended Forecast

Issued 03:30 PM 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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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 6 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 7 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 6 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 7 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NST 6 December 2025 Tonight and Sunday At 8:00 p.m. NST tonight low 961 mb located east of the Marine
District.
By 10:00 a.m. NST Sunday departing low 963 mb located east of the
Marine District.

At 8:00 p.m. NST tonight quasi-stationary trough from 961 mb low
located over southern Labrador Sea.

At 8:00 p.m. NST tonight 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 7:50 PM NST 6 December 2025 An intense low pressure system east of the marine district will
continue departing to the east tonight. Meanwhile, a trough extending
northwestward from the low will remain nearly stationary over the
Labrador Sea throughout the forecast period. Gale to storm force west
to northwesterlies will diminish over most waters tonight as the low
moves further away. Strong to gale force northwesterlies will persist
over northeastern waters to the south of the trough.

Marine interests are advised that gale warnings are in effect for the
East Coast, Belle Isle Bank, Funk Island Bank, Northern Grand Banks
and Southeastern Grand Banks.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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