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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NST 16 December 2025

Today Tonight and Wednesday.

Storm warning in effect.

Wind west 50 to 60 knots diminishing to west 35 to 45 early this morning and to west 25 near noon. Wind diminishing to west 15 to 20 Wednesday morning then backing to southwest 25 Wednesday afternoon.

Flurries or showers becoming showers Wednesday morning.

Waves

Issued 06:00 PM NST 15 December 2025
Tonight and Tuesday. Seas 6 to 8 metres building to 8 to 11 near midnight then subsiding to 6 to 8 Tuesday morning. Seas subsiding to 4 to 6 Tuesday afternoon.

Extended Forecast

Issued 03:00 AM NST 16 December 2025
Thursday Wind southwest 35 knots veering to northwest 25 to 35 in the afternoon.
Friday Wind variable 10 to 15 knots increasing to south 25.
Saturday Wind south 35 knots.

Ice Forecast

Issued 10:00 AM EST 15 December 2025 Today Tonight and Tuesday 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 15 December 2025 Today Tonight and Tuesday

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 15 December 2025 Today Tonight and Tuesday

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

Southwestern Grand Banks

Issued 1:30 PM EST 15 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 16 Dec estimated from Newfoundland near
4730N 5239W to 4715N 4945W to 5115N 4715W 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 15 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 16 Dec estimated from Newfoundland near
4730N 5239W to 4715N 4945W to 5115N 4715W 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)

Storm warning in effect

Southwestern Grand Banks

Issued 03:00 AM NST 16 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 16 December 2025 Today Tonight and Wednesday At 3:00 a.m. NST today low 940 mb located over northern Funk
Island Bank.
By 3:00 a.m. NST Wednesday low 941 mb located southeast of
Greenland.

At 10:00 a.m. NST Wednesday approaching trough located over Quebec
extending southwestward.

At 3:30 p.m. NST today approaching ridge located on a line
north-south over the Maritimes.

Marine Weather Statement

Issued 2:54 AM NST 16 December 2025 An intense low pressure system over Northeastern Funk Island Bank
will continue tracking northeastwards today. Gale to hurricane force
westerlies to northerlies behind the low will gradually diminish
today and tonight as it departs the marine district.

A trough of low pressure will approach from the west on Wednesday.
Strong to gale force southwesterlies will spread across the marine
district ahead of the trough.

Marine interests are advised that hurricane force wind warnings are
in effect for East Coast-north of Cape St. Francis, Belle Isle Bank,
Funk Island Bank, and Northern Grand Banks. Storm warnings are in
effect for all remaining waters except Gulf waters and Southwest
Coast where gale warnings are in effect.

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.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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