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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 09 October 2026

Tonight and Saturday.

Strong wind warning in effect.

Wind westerly 20 knots veering to northwest 20 to 25 late overnight then diminishing to northwest 15 to 20 Saturday evening.

Scattered showers ending after midnight with a risk of thunderstorms.

Waves

Issued 05:00 PM ADT 09 October 2026
Tonight and Saturday. Seas 1 metre or less building to 1 to 2 early Saturday morning.

Extended Forecast

Issued 03:30 PM ADT 09 October 2026
Sunday Wind northwest 10 to 15 knots increasing to southwest 20 to 25 in the afternoon.
Monday Wind southwest 20 to 25 knots diminishing to variable 10 to 15.
Tuesday Wind northeast 20 knots becoming south 20.

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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 5:16 PM ADT 09 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 3:30 PM ADT 9 October 2026 Tonight and Saturday At 3:30 p.m. ADT today departing trough located east of the Marine
District.

At 3:00 a.m. ADT Saturday trough located north of Anticosti Island.
By 3:30 p.m. ADT Saturday trough located on a line east-west
over Newfoundland.

At 3:30 p.m. ADT Saturday approaching ridge located over New
England.

Marine Weather Statement

Issued 3:23 PM ADT 9 October 2026 Strong westerly winds tonight will veer to strong to gale force
northwesterlies on Saturday ahead of an approaching trough of low
pressure. Winds will ease Saturday night as a ridge approaches the
district.

Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan, Cabot Strait, Gulf - Magdalen -
northeastern half, and Anticosti - southwestern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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