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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 07 October 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 15 knots diminishing to light this morning then increasing to southwest 10 to 15 this afternoon. Wind increasing to southwest 15 to 20 this evening and to southwest 20 to 25 overnight. Wind southwest 20 to 25 Thursday.

Scattered showers Thursday late in the day.

Waves

Issued 05:00 PM ADT 06 October 2026
Tonight and Wednesday. Seas 2 to 3 metres subsiding to 1 to 2 late this evening and to 1 or less early Wednesday morning.

Extended Forecast

Issued 03:00 AM ADT 07 October 2026
Friday Wind west 10 to 15 knots increasing to west 15 to 20 in the afternoon.
Saturday Wind northwest 25 knots diminishing to northwest 10 to 15 late in the day.
Sunday Wind northwest 10 to 15 knots increasing to southwest 20 to 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 07 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 7 October 2026 Today Tonight and Thursday At 3:00 a.m. ADT today departing low 978 mb located over Labrador
Sea.

At 8:00 p.m. ADT tonight trough located over Quebec.
By 8:00 p.m. ADT Thursday trough located from Labrador to Nova
Scotia.

At 3:00 a.m. ADT today ridge located southwest of the Marine
District.
By 8:00 p.m. ADT tonight ridge located southeast of the Marine
District.

Marine Weather Statement

Issued 2:17 AM ADT 7 October 2026 A low pressure system moving out into the Labrador Sea will continue
to pull away today. Strong to gale force westerlies over northern
waters will gradually diminish this morning.

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

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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