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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 05 December 2025

Tonight and Saturday.

Wind west 15 knots diminishing to light late overnight then becoming south 15 Saturday evening.

Temperatures minus 6 rising to plus 5 Saturday evening.

Waves

Issued 05:00 PM AST 05 December 2025
Tonight and Saturday. Seas 1 metre or less.

Extended Forecast

Issued 03:30 PM AST 05 December 2025
Sunday Wind southerly 20 knots becoming northwest 15 to 20 in the morning.
Monday Wind northeast 15 knots increasing to northwest 25 to 35.
Tuesday Wind west 10 to 15 knots increasing to west 30.

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 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 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.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM AST 5 December 2025 Tonight and Saturday At 3:30 p.m. AST today departing low 973 mb located northeast
of Newfoundland.

At 3:30 p.m. AST today 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 3:11 PM AST 5 December 2025 An intense low pressure northeast of Newfoundland will slowly track
eastward and away from the region while a ridge of high pressure over
the Gulf of Maine will move to lie over the eastern marine district
by Saturday evening. Gale to storm force northwesterlies are expected
between these two features.

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

Marine interests are also advised that freezing spray warnings are in
effect for 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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