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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 08:00 PM AST 10 November 2025

Tonight and Tuesday.

Strong wind warning in effect.

Wind south 30 knots veering to southwesterly 25 Tuesday morning.

Periods of rain ending after midnight with a risk of thunderstorms. Scattered showers Tuesday late in the day. Fog patches dissipating late overnight.

Waves

Issued 05:00 PM AST 10 November 2025
Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 near midnight and to 3 to 4 Tuesday evening.

Extended Forecast

Issued 03:30 PM AST 10 November 2025
Wednesday Wind west 30 knots diminishing to southwest 20 in the afternoon.
Thursday Wind light.
Friday Wind light increasing to northwest 20 knots.

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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 8:00 PM AST 10 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 8:00 PM AST 10 November 2025 Tonight and Tuesday At 8:00 p.m. AST tonight trough located over New England.
By 3:00 a.m. AST Tuesday trough located from the Gaspe Peninsula
to West Scotian Slope.

At 3:30 p.m. AST Tuesday trough located over Anticosti Island to
East Scotian Slope.
By 8:00 p.m. AST Tuesday trough located from Cabot Strait to
Laurentian Fan.

Marine Weather Statement

Issued 7:36 PM AST 10 November 2025 A trough of low pressure will continue to approach from the west this
evening to lie over New Brunswick tonight. Gale to storm force south
to southeast winds are expected tonight and Tuesday ahead of the
trough, with strong to gale force westerlies developing in its wake.

Marine interests are advised that a storm warning is in effect for
Laurentian Fan - eastern half. Gale warnings are in effect for
remaining waters except Fundy, Grand Manan, Lurcher, Browns Bank,
southwestern shore, and LaHave Bank.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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