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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 10 November 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind southeast 35 knots diminishing to southerly 20 near noon then increasing to south 30 this evening. Wind veering to southwesterly 25 late overnight. Wind southwesterly 25 Tuesday.

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

Waves

Issued 05:00 AM AST 10 November 2025
Today Tonight and Tuesday. Seas 2 to 3 metres building to 3 to 4 Tuesday evening.

Extended Forecast

Issued 03:00 AM 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)

Gale warning in effect

Grand Manan

Issued 10:00 AM AST 10 November 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 10:00 AM AST 10 November 2025 Today Tonight and Tuesday At 10:00 a.m. AST today trough located over New England.
By 3:00 a.m. AST Tuesday trough located from the Gaspe Peninsula
to West Scotian Slope.

At 10:00 a.m. AST today ridge located over the eastern Marine
District.
By 3:30 p.m. AST today departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 9:49 AM AST 10 November 2025 A trough of low pressure will continue to approach from the west this
morning to lie over New Brunswick tonight. Gale to storm force south
to southeast winds are expected today 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 all
remaining waters except Fundy, Lurcher, and Browns Bank.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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