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Marine Forecast

Issued 03:00 AM NST 10 December 2025

Today Tonight and Thursday.

Wind west 30 knots diminishing to southwest 15 to 20 this afternoon then becoming variable 15 to 20 overnight. Wind increasing to southwest 30 Thursday afternoon.

Flurries ending this morning. Showers or flurries beginning this evening and changing to rain Thursday morning. Fog patches forming overnight. Visibility 1 mile or less in flurries and in fog patches.

Waves

Issued 06:00 AM NST 10 December 2025
Today Tonight and Thursday. Seas 3 to 4 metres subsiding to 2 to 3 near noon and to 1 to 2 this evening. Seas building to 2 to 3 Thursday morning and to 3 to 5 Thursday afternoon.

Extended Forecast

Issued 03:00 AM NST 10 December 2025
Friday Wind southwest 25 knots increasing to southwest 35 in the afternoon.
Saturday Wind west 35 to 45 knots diminishing to west 25 to 35.
Sunday Wind southwest 15 to 20 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

Ice edge estimated from Newfoundland near 4958N 5542W to 5015N 5605W
to 5141N 5511W to 5200N 5537W to 5321N 5529W to 5445N 5700W to 5609N
6024W to 5928N 6239W to Labrador near 6018N 6424W. Sea ice west 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NST 10 December 2025 Today Tonight and Thursday At 3:00 a.m. NST today low 956 mb located south of Greenland.
By 8:00 p.m. NST tonight departing low 956 mb located southeast
of Greenland.

At 3:00 a.m. NST today ridge located south of the Maritimes.
By 3:00 a.m. NST Thursday ridge located on a line
northwest-southeast over Funk Island Bank.

At 10:00 a.m. NST today deepening low 991 mb located near the
Great Lakes.
By 10:00 a.m. NST Thursday deepening low 985 mb located over
New Brunswick.

Marine Weather Statement

Issued 2:43 AM NST 10 December 2025 An intense low pressure system south of Greenland will continue to
slowly track northeastward away from the district today. Strong to
gale force west to northwesterlies will persist in the low's wake
until this evening.

A second low pressure system will approach the district from the west
tonight and track into the Gulf of St. Lawrence on Thursday. Strong
to gale force southwesterlies will develop over most waters ahead of
this system.

Marine interests are advised that gale warnings are in effect for
East Coast, Northeast Coast - Cape St. John and south, 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, Northeast Gulf, Gulf - Port au Port
- northwestern half, Northeast Coast - north of Cape St. John, and
Belle Isle Bank.

Atlantic - Maritimes Area

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Marine Weather for Canada

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