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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 10 October 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 20 to 25 knots diminishing to northwest 15 to 20 late this afternoon and to light after midnight. Wind increasing to southwest 20 to 25 Sunday afternoon.

Waves

Issued 05:00 AM ADT 10 October 2026
Today Tonight and Sunday. Seas 1 to 2 metres subsiding to 1 or less late this evening then building to 1 to 2 Sunday evening.

Extended Forecast

Issued 03:00 AM ADT 10 October 2026
Monday Wind southwest 20 to 25 knots becoming northeast 25 in the afternoon.
Tuesday Wind northeast 25 knots veering to southeast 20.
Wednesday Wind southeast 30 knots diminishing to westerly 25.

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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 03:00 AM ADT 10 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 3:00 AM ADT 10 October 2026 Today Tonight and Sunday At 3:00 a.m. ADT today trough located over Labrador.
By 8:00 p.m. ADT tonight trough located over the Avalon Peninsula.

At 3:30 p.m. ADT today ridge located over New England.
By 8:00 p.m. ADT Sunday ridge located south of the Marine District.

At 8:00 p.m. ADT Sunday approaching trough located west of the
Marine District.

Marine Weather Statement

Issued 2:40 AM ADT 10 October 2026 A trough of low pressure will pass over northeastern waters today.
Strong westerly winds will veer to strong to gale force
northwesterlies this morning. Winds will ease tonight 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.

Outlook for the start-up of the Upper Bay of Fundy lobster fishery.

Monday...Winds southwest 25 knots veering to west 10 to 15 knots
mid-day and then to northeast 25 in the evening. Choppy sea
conditions in the evening when winds will be running against the
rising tide.
Tuesday...Winds northeast 25 knots diminishing to southeast 20 knots
late in the day. Choppy sea conditions in the morning when winds
will run against the rising tide.
Wednesday...Winds southeast 20 becoming west 20 to 25 knots in the
afternoon. Choppy sea conditions late in the day when winds will be
running against the ebbing tide.

St. Lawrence - St. Lawrence River Area

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