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Forecast

Marine Forecast

Issued 08:00 PM NST 09 December 2025

Tonight and Wednesday.

Gale warning in effect.

Wind northwest 35 knots diminishing to west 30 near midnight then backing to southwest 25 early Wednesday morning.

Flurries becoming showers or flurries Wednesday afternoon. Visibility 1 mile or less in flurries.

Temperatures minus 2 rising to plus 4 Wednesday evening.

Waves

Issued 06:00 PM NST 09 December 2025
Tonight and Wednesday. Seas 3 to 4 metres subsiding to 2 to 3 Wednesday morning.

Extended Forecast

Issued 03:30 PM NST 09 December 2025
Thursday Wind southeast 25 to 35 knots veering to southwest 25 to 35 in the afternoon.
Friday Wind southwest 25 to 35 knots.
Saturday Wind west 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EST 9 December 2025 Today Tonight and Wednesday 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 9 December 2025 Today Tonight and Wednesday

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 4741N 6431W to 4827N 6402W 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 4949N 6317W 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 9 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 Dec estimated from Newfoundland near
4745N 5245W to 4800N 5100W to 5300N 5015W to 5945N 5730W then
northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Southwest Coast

Issued 8:00 PM NST 09 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 9 December 2025 Tonight and Wednesday At 8:00 p.m. NST tonight low 956 mb located south of Greenland.
By 8:00 p.m. NST Wednesday departing low 956 mb located southeast
of Greenland.

At 8:00 p.m. NST tonight ridge located south of the Maritimes.
By 8:00 p.m. NST Wednesday ridge located from the Northeast Coast
of Newfoundland to the Grand Banks.

Marine Weather Statement

Issued 7:43 PM NST 9 December 2025 An intense low pressure system south of Greenland will continue to
slowly track northeastward away from the district tonight and
Wednesday. Strong to gale force west to northwesterlies will persist
in the low's wake until Wednesday evening.

Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle, Northeast Gulf, East Coast - Cape
St. Francis and south, Northeast Coast - north of Cape St. John, and
the Southern Grand Banks.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except Southwest Coast, South Coast, East Coast
- Cape St. Francis and south, and the Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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