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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 21 January 2026

Tonight and Thursday.

Wind southwest 25 knots tonight and Thursday.

Periods of snow beginning this evening changing to rain or snow Thursday morning then to showers Thursday afternoon. Visibility 1 mile or less in snow.

Temperatures minus 5 rising to plus 4 Thursday evening.

Waves

Issued 05:00 PM AST 21 January 2026
Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 this evening.

Extended Forecast

Issued 03:30 PM AST 21 January 2026
Friday Wind west 25 knots.
Saturday Wind northwest 30 knots.
Sunday Wind northwest 20 knots veering to northeast 15.

Ice Forecast

Issued 10:00 AM EST 21 January 2026 Today Tonight and Thursday Open water. 

[ 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 21 January 2026 Today Tonight and Thursday

Ice Edge

First ice edge estimated from New Brunswick near 4532N 6507W to Nova
Scotia near 4500N 6510W. Sea ice east of the ice edge.

Second ice edge estimated from Nova Scotia near 4435N 6327W to 4432N
6251W to 4539N 5917W to 4704N 6000W to 4822N 6159W to 5039N 5807W to
4759N 5937W to Newfoundland near 4738N 5919W. Sea ice northwest then
east of the ice edge.

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM AST 21 January 2026 Tonight and Thursday At 3:30 p.m. AST today quasi-stationary low 976 mb located over
Labrador Sea.

At 3:30 p.m. AST today ridge located southwest of the Marine
District.
By 10:00 a.m. AST Thursday ridge located south of the Grand Banks.

At 3:00 a.m. AST Thursday trough located over New England.
By 8:00 p.m. AST Thursday trough located from Newfoundland to
Georges Bank.

Marine Weather Statement

Issued 3:50 PM AST 21 January 2026 Strong to gale force westerly winds over northeastern waters in the
wake of low over the Labrador Sea will diminish this evening as a
ridge of high pressure builds in from the west.

On Thursday, a trough of low pressure will track eastward across the
southern marine district. Strong to gale force southwesterlies are
expected ahead of the trough.

Marine interests are advised that gale warnings are in effect for
eastern shore, Sable, Fourchu, Banquereau, Cabot Strait,
Gulf-Magdalen - eastern half and Anticosti - eastern half.

Marine interests are advised that freezing spray warnings are in
effect for Fourchu, Banquereau - northern half, Cabot Strait and all
Gulf of St. Lawrence waters.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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