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Marine Forecast

Issued 03:00 AM AST 09 December 2025

Today Tonight and Wednesday.

Wind north 20 knots diminishing to variable 10 to 15 near noon then becoming southwest 15 near midnight. Wind increasing to southwest 25 overnight. Wind southwest 25 Wednesday.

Flurries ending near noon. Showers Wednesday.

Waves

Issued 05:00 AM AST 09 December 2025
Today Tonight and Wednesday. Seas 2 to 3 metres subsiding to 1 to 2 this morning then building to 2 to 3 Wednesday morning.

Extended Forecast

Issued 03:00 AM AST 09 December 2025
Thursday Wind southwest 35 knots veering to northwest 35 in the afternoon.
Friday Wind west 45 knots.
Saturday Wind west 25 knots.

Ice Forecast

Issued 10:00 AM EST 8 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

Issued 10:00 AM EST 8 December 2025 Today Tonight and Tuesday

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 4546N 6254W to 4558N
6310W to Prince Edward Island near 4558N 6250W. Sea ice west of the
ice edge.

Third ice edge estimated from Prince Edward Island near 4630N 6319W
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 Quebec near 5125N 5736W. Sea ice north of the ice
edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 1:30 PM EST 8 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 9 Dec estimated from Newfoundland near
4800N 5300W to 4800N 5200W to 4830N 5100W to 5300N 5030W to 5945N
5730W to 6120N 5340W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 9 December 2025 Today Tonight and Wednesday At 3:00 a.m. AST today departing low 975 mb located east of
Newfoundland.

At 3:00 a.m. AST today ridge located over New England.
By 8:00 p.m. AST tonight ridge located over the southern Marine
District.

At 8:00 p.m. AST tonight approaching trough located over New
England.

Marine Weather Statement

Issued 2:50 AM AST 9 December 2025 A low pressure system east of Newfoundland will continue departing
today. Strong to gale force northwesterlies will diminish slightly as
the low pulls away.

A trough of low pressure will approach tonight and cross the marine
district Wednesday. Strong to potentially gale force southwesterlies
will develop ahead of this feature.

Marine interests are advised that gale warnings are in effect for
Banquereau, Cabot Strait, Gulf - Magdalen - northern half, Chaleur -
Miscou, and Anticosti.

Freezing spray warnings are in effect for Grand Manan, Lurcher,
southwestern shore, eastern shore, Fourchu, Cabot Strait, and all
Gulf of St. Lawrence waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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