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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 12 November 2025

Tonight and Thursday.

Strong wind warning in effect.

Wind west 25 knots diminishing to westerly 15 early this evening and to light early Thursday morning. Wind becoming northerly 15 Thursday evening.

Showers this afternoon tonight and Thursday.

Waves

Issued 05:00 PM AST 12 November 2025
Tonight and Thursday. Seas 3 metres subsiding to 1 to 2 early this evening.

Extended Forecast

Issued 03:30 PM AST 12 November 2025
Friday Wind light increasing to northwest 20 knots in the morning.
Saturday Wind north 20 knots backing to west 15.
Sunday Wind southwest 15 knots increasing to southerly 30.

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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 EDT 26 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 3:30 PM AST 12 November 2025

'Strong' winds of 20 to 33 knots are 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 12 November 2025 Tonight and Thursday At 3:30 p.m. AST today departing low 959 mb located over northern
Labrador.

At 3:00 a.m. AST Thursday intensifying low 1003 mb located over
southwestern East Scotian Slope.
By 3:30 p.m. AST Thursday low 990 mb located over southern
Banquereau.

Marine Weather Statement

Issued 3:20 PM AST 12 November 2025 A departing low pressure system over Central Labrador will continue
to track north tonight. Strong to gale force westerlies over Gulf
waters will diminish later this evening.

A second low pressure system will develop tonight over East Scotian
Slope, to lie over Banquereau by tomorrow afternoon. Strong to gale
force easterly to northerly winds will develop on the north side of
the low tomorrow afternoon.

Marine interests are advised that gale warnings are in effect for
Banquereau, Cabot Strait, Gulf - Magdalen, Chaleur - Miscou, and
Anticosti.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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