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Laurentian Fan

Forecast

Marine Forecast

Issued 08:00 PM AST 05 December 2025

Tonight and Saturday.

Gale warning in effect.

Wind northwest 40 knots diminishing to northwest 30 near midnight and to northwest 20 Saturday morning. Wind veering to north 10 to 15 early Saturday evening.

Flurries or showers becoming showers near midnight and ending Saturday morning. Visibility 1 mile or less in precipitation.

Waves

Issued 05:00 PM AST 05 December 2025

Laurentian Fan - eastern half

Tonight and Saturday. Seas 7 to 10 metres subsiding to 5 to 7 late overnight and to 3 to 5 Saturday morning. Seas subsiding to 2 to 3 Saturday evening.

Laurentian Fan - western half

Tonight and Saturday. Seas 7 to 9 metres subsiding to 5 to 7 this evening and to 2 to 3 Saturday morning. Seas subsiding to 1 to 2 Saturday afternoon.

Extended Forecast

Issued 03:30 PM AST 05 December 2025
Sunday Wind light becoming northeast 15 knots in the afternoon.
Monday Wind southwest 25 knots increasing to west 30 to 40.
Tuesday Wind northwest 30 to 40 knots diminishing to west 20.

Ice Forecast

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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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 5 December 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4705N 6450W to
4758N 6416W to Gaspe Peninsula near 4830N 6413W. Sea ice east of the
ice edge.

Second ice edge estimated from Gaspe Peninsula near 4856N 6712W to
4956N 6635W to 4958N 6014W to Quebec near 5125N 5737W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 1:30 PM EST 5 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 Dec estimated from Newfoundland near
4830N 5310W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Laurentian Fan

Issued 8:00 PM AST 05 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 AST 5 December 2025 Tonight and Saturday At 8:00 p.m. AST tonight departing low 973 mb located northeast
of Newfoundland.

At 8:00 p.m. AST tonight ridge located over the Gulf of Maine.
By 8:00 p.m. AST Saturday ridge located over the eastern Marine
District.

Marine Weather Statement

Issued 7:32 PM AST 5 December 2025 An intense low pressure system northeast of Newfoundland will slowly
track eastward and away from the region tonight. A ridge of high
pressure over the western marine district will move to lie over the
eastern marine district by Saturday evening. Gale to storm force
northwesterlies are expected between these two features with light to
moderate winds under the ridge.

Marine interests are advised that a storm warning is in effect for
Banquereau. Gale warnings are in effect for eastern shore - eastern
half, Sable - eastern half, East Scotian Slope - eastern half,
Fourchu, Laurentian Fan, Cabot Strait, Gulf-Magdalen , Chaleur-Miscou
- eastern half, and Anticosti - southeastern half.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait and all Gulf of St Lawrence waters.

Atlantic - Maritimes Area

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