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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 14 December 2025

Tonight and Monday.

Wind north 20 knots increasing to northwesterly 30 near midnight. Wind northwesterly 30 Monday.

Snow ending near noon Monday. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Freezing spray beginning near noon Monday.

Temperatures plus 1 falling to minus 4 Monday morning.

Waves

Issued 05:00 PM AST 14 December 2025
Tonight and Monday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM AST 14 December 2025
Tuesday Wind northwest 25 knots diminishing to west 15 in the afternoon.
Wednesday Wind southwest 25 knots increasing to southwest 35.
Thursday Wind northwest 30 knots diminishing to south 20.

Ice Forecast

Issued 10:00 AM EST 14 December 2025 Today Tonight and Monday Ice free. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 14 December 2025 Today Tonight and Monday

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 4736N 6409W 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 4945N 6301W to
4946N 5954W to 5106N 5804W to Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Grand Manan

Issued 3:30 PM AST 14 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 3:30 PM AST 14 December 2025 Tonight and Monday At 3:30 p.m. AST today intensifying low 1002 mb located southwest
of Georges Bank.
By 3:00 a.m. AST Monday low 988 mb located near Sable Island.

At 3:30 p.m. AST Monday low 965 mb located over southeastern
Newfoundland.

Marine Weather Statement

Issued 3:05 PM AST 14 December 2025 An intensifying low pressure system will approach the marine district
this evening and move to lie over Sable Island overnight and over
Southeastern Newfoundland Monday afternoon. Gale to possibly storm
force southwest winds over the southern slope waters tonight will
shift to gale to storm force northwesterlies behind the low.

Marine interests are advised that storm warnings are in effect for
Banquereau and Cabot Strait. Gale warnings are in effect for all
remaining waters except Fundy and Grand Manan.

Freezing spray warnings are in effect for Fundy, Grand Manan,
Northumberland Strait, Gulf - Magdalen, Chaleur - Miscou, and
Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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