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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM AST 07 December 2025

Tonight and Monday.

Wind northwest 15 to 20 knots diminishing to northwest 10 to 15 this evening then increasing to northwest 25 late Monday morning.

Scattered flurries overnight and Monday. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray beginning Monday morning.

Temperatures minus 3 falling to minus 9 Monday afternoon.

Extended Forecast

Issued 03:30 PM AST 07 December 2025
Tuesday Wind west 25 knots diminishing to west 15 to 20 in the afternoon.
Wednesday Wind south 20 knots veering to southwest 25.
Thursday Wind northerly 20 knots.

Ice Forecast

Issued 10:00 AM EST 7 December 2025 Today Tonight and Monday Open water except 9 tenths new ice along parts of the coasts. 

[ 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 7 December 2025 Today Tonight and Monday

Ice Edge

First ice edge estimated from New Brunswick near 4511N 6609W to
4508N 6549W to 4518N 6513W to Nova Scotia near 4510N 6445W. Sea ice
northeast of 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 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.

Fourth 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.

Fifth 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

Open water except 9 tenths new ice along parts of the coasts.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Northumberland Strait - western half

Issued 8:00 PM AST 07 December 2025

Moderate or severe freezing spray is occurring or expected to occur in this marine area. 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 7 December 2025 Tonight and Monday At 8:00 p.m. AST tonight intensifying low 1014 mb located over
the Gulf of Maine.
By 8:00 p.m. AST Monday departing low 991 mb located over
southeastern Newfoundland.

At 8:00 p.m. AST Monday approaching ridge located over the Great
Lakes.

Marine Weather Statement

Issued 7:41 PM AST 7 December 2025 A low pressure system will move into the Gulf of Maine tonight and
then track south of Nova Scotia Monday morning to lie near
Southeastern Newfoundland by Monday evening. Strong to gale force
northwesterlies will develop across the district on Monday in the
wake of the low. In addition, freezing spray is expected over most
northern waters late Monday as these northwesterlies usher in cold
air.

Marine interests are advised that gale warnings are in effect for
Lurcher, Browns Bank, Georges Bank, southwestern shore, LaHave Bank,
West Scotian Slope, eastern shore, Sable, East Scotian Slope,
Fourchu, Banquereau, Laurentian Fan, Cabot Strait and Northumberland
Strait - eastern half.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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