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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 08:00 PM NST 07 December 2025

Tonight and Monday.

Gale warning in effect.

Wind northwest 15 to 20 knots diminishing to light Monday morning then increasing to south 25 near noon Monday. Wind increasing to south 35 Monday afternoon then veering to west 35 to 45 Monday evening.

Rain and fog patches Monday afternoon and evening.

Waves

Issued 06:00 PM NST 07 December 2025
Tonight and Monday. Seas 2 to 3 metres building to 3 to 5 Monday afternoon.

Extended Forecast

Issued 03:30 PM NST 07 December 2025
Tuesday Wind northwest 25 to 35 knots.
Wednesday Wind west 25 knots.
Thursday Wind southwest 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EST 7 December 2025 Today Tonight and Monday 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 7 December 2025 Today Tonight and Monday

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 7 December 2025 Today Tonight and Monday

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 7 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 8 Dec estimated from Newfoundland near
4814N 5333W to 4815N 5200W to 4900N 5100W to 5400N 5100W 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 7 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 8 Dec estimated from Newfoundland near
4814N 5333W to 4815N 5200W to 4900N 5100W to 5400N 5100W 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 8:00 PM NST 07 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 8:00 PM NST 7 December 2025 Tonight and Monday At 8:00 p.m. NST tonight trough located east of the Marine District.
By 8:00 p.m. NST Monday departing trough located northeast of the
Marine District.

At 8:00 p.m. NST tonight deepening low 1013 mb located east of
the Great Lakes.
By 8:00 p.m. NST Monday deepening low 987 mb located over the
Burin Peninsula.

Marine Weather Statement

Issued 7:56 PM NST 7 December 2025 A trough of low pressure east of the marine district will remain
stationary tonight before slowly moving northeastward on Monday.
Strong to gale force northwesterlies are expected over eastern waters
tonight before weakening on Monday.

Meanwhile, a low pressure system will rapidly intensify as it
approaches the region from the southwest tonight and Monday to lie
over the Burin Peninsula by Monday evening. Over southern waters,
strong southeasterlies ahead of the low will increase to gale force
south to southwesterlies as it nears. Gale force northwesterlies are
expected behind the low Monday evening.

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

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

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