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Marine Forecast

Issued 10:00 AM NST 11 December 2025

Today Tonight and Friday.

Gale warning in effect.

Wind southeast 15 to 20 knots veering to southwest 25 this afternoon then increasing to southwest 35 Friday morning.

Rain changing to flurries Friday morning. Fog banks dissipating this evening. Visibility 1 mile or less in fog banks and in flurries.

Temperatures plus 5 falling to minus 1 Friday afternoon.

Waves

Issued 06:00 AM NST 11 December 2025
Today Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 near noon and to 3 to 5 this evening. Seas building to 5 to 7 Friday afternoon.

Extended Forecast

Issued 03:00 AM NST 11 December 2025
Saturday Wind southwest 35 to 45 knots veering to west 25 to 35 in the afternoon.
Sunday Wind southwest 15 to 20 knots backing to southeast 15.
Monday Wind northeast 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EST 11 December 2025 Today Tonight and Friday 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

Issued 10:00 AM EST 11 December 2025 Today Tonight and Friday

Ice Edge

First ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N
6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W.
Sea ice within the ice edge.

Second ice edge estimated from Nova Scotia near 4551N 6201W to
Prince Edward Island near 4621N 6211W. Sea ice west of the ice edge.

Third ice edge estimated from Prince Edward Island near 4628N 6231W
to 4640N 6329W to 4736N 6409W to 4904N 6404W to 4925N 6516W to 4916N
6703W to 4956N 6635W to Anticosti Island near 4924N 6336W. Sea ice
west then north of the ice edge.

Fourth ice edge estimated from Anticosti Island near 4945N 6301W to
4946N 5954W to 5106N 5804W to Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 1:30 PM EST 10 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Dec estimated from Newfoundland near
4730N 5239W to 4745N 5030W to 5230N 5000W to 5945N 5730W to 6155N
5330W to 6005N 4945W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Southwest Coast

Issued 10:00 AM NST 11 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 11 December 2025 Today Tonight and Friday At 10:00 a.m. NST today deepening low 984 mb located near the
Gaspe Peninsula.
By 10:00 a.m. NST Friday low 970 mb located northeast of Belle
Isle Bank.

At 3:00 a.m. NST Friday approaching trough from low located on a
line east-west over the Quebec Lower North Shore.

At 10:00 a.m. NST today departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 9:56 AM NST 11 December 2025 A deepening low pressure system will approach the district from the
west this morning and track across Gulf waters today. Strong to gale
force northeasterlies will spread over Gulf waters today while strong
to gale force southwesterlies spread over southern waters. Winds will
diminish tonight for a period before increasing again to strong to
gale force southwesterlies ahead of a trough trailing behind the low
on Friday.

Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle, Gulf - Port au Port -
southeastern half, Northeast Coast - north of Cape St. John, and
Belle Isle Bank.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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