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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 15 October 2026

Tonight and Friday.

Strong wind warning in effect.

Wind northwest 15 knots diminishing to light late overnight then increasing to south 15 Friday morning. Wind increasing to southerly 25 to 30 near noon Friday.

Showers Friday afternoon and evening. Fog patches forming Friday evening.

Waves

Issued 05:00 PM ADT 15 October 2026
Tonight and Friday. Seas 1 to 2 metres subsiding to 1 or less near midnight then building to 1 to 2 Friday afternoon. Seas building to 2 to 3 Friday evening.

Extended Forecast

Issued 03:30 PM ADT 15 October 2026
Saturday Wind southwest 30 knots veering to northwest 25 in the morning.
Sunday Wind northwesterly 15 to 20 knots.
Monday Wind southwest 20 to 25 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 8:00 PM ADT 15 October 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 15 October 2026 Tonight and Friday At 8:00 p.m. ADT tonight deepening low 985 mb located northeast
of Newfoundland.
By 3:00 a.m. ADT Friday departing low 979 mb located northeast
of Newfoundland.

At 8:00 p.m. ADT tonight ridge located on a line north-south over
New England.
By 8:00 p.m. ADT Friday departing ridge located southeast of the
Marine District.

At 8:00 p.m. ADT Friday approaching low 996 mb located over Maine.

Marine Weather Statement

Issued 7:44 PM ADT 15 October 2026 A low pressure system northeast of Newfoundland will continue to
slowly track northeastward. Strong to gale force northwesterlies in
its wake will gradually diminish overnight tonight.

Marine interests are advised that gale warnings are in effect for
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope - eastern half, Fourchu, Banquereau, Laurentian Fan, Cabot
Strait, Northumberland Strait - eastern half, Gulf - Magdalen, and
Anticosti.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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