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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 16 November 2025

Today Tonight and Monday.

Gale warning in effect.

Wind south 25 knots increasing to southeasterly 35 this morning then diminishing to variable 15 to 20 near noon. Wind increasing to northwest 25 this evening then backing to west 30 after midnight. Wind veering to northwest 25 Monday evening.

Rain changing to scattered showers this afternoon then to flurries or scattered showers near midnight.

Waves

Issued 05:00 AM AST 16 November 2025
Today Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 this morning and to 3 to 5 late overnight. Seas subsiding to 2 to 3 Monday evening.

Extended Forecast

Issued 03:00 AM AST 16 November 2025
Tuesday Wind west 25 knots.
Wednesday Wind west 15 knots.
Thursday Wind light.

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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 03:00 AM AST 16 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 3:00 AM AST 16 November 2025 Today Tonight and Monday At 3:00 a.m. AST today low 984 mb located over New England.
By 8:00 p.m. AST tonight low 979 mb located over the Bay of Fundy.

By 3:00 a.m. AST Monday low 976 mb located over the western Gulf
of St. Lawrence.

At 3:00 a.m. AST today weakening ridge located south of the Marine
District.

Marine Weather Statement

Issued 2:45 AM AST 16 November 2025 A developing low pressure system will approach the district from New
England today, moving over Southern New Brunswick by evening.
And then into the Western Gulf of St. Lawrence overnight. Winds will
increase to gale force southeasterlies ahead of the low then diminish
to moderate to strong southwesterlies south of it. Winds will once
again increase to strong to gale force westerlies over most waters on
Monday as the low intensifies.

Marine interests are advised that gale warnings are in effect for all
waters except Fundy.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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