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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 15 November 2025

Today Tonight and Sunday.

Gale warning in effect.

Wind northwesterly 15 to 20 knots becoming southwesterly 15 this evening then increasing to south 25 overnight. Wind increasing to southeasterly 35 Sunday morning then diminishing to southwest 15 to 20 near noon Sunday. Wind veering to northwest 20 Sunday evening.

Rain beginning overnight changing to scattered showers near noon Sunday.

Waves

Issued 05:00 AM AST 15 November 2025
Today Tonight and Sunday. Seas 1 to 2 metres subsiding to 1 or less this afternoon then building to 1 to 2 Sunday morning. Seas building to 2 to 3 near noon Sunday.

Extended Forecast

Issued 03:00 AM AST 15 November 2025
Monday Wind west 25 to 35 knots.
Tuesday Wind west 25 knots.
Wednesday Wind west 15 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 03:00 AM AST 15 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 15 November 2025 Today Tonight and Sunday At 3:00 a.m. AST today departing low 979 mb located over
Newfoundland.

At 3:00 a.m. AST Sunday low 983 mb located over New England.
By 8:00 p.m. AST Sunday low 979 mb located over southern New
Brunswick.

At 3:30 p.m. AST today ridge located west of the Marine District.
By 3:00 a.m. AST Sunday weakening ridge located south of the
Marine District.

Marine Weather Statement

Issued 2:46 AM AST 15 November 2025 Gale force northwesterlies over Cabot Strait will diminish this
morning as a deep area of low pressure over Newfoundland continues to
pull away. Meanwhile a developing low pressure system will approach
the district from New England on Sunday, and will move to lie over
Southern New Brunswick by evening. Winds will increase to gale force
southeasterlies ahead of the low then diminish to moderate to strong
southwesterlies south of it.

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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