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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 13 August 2025

Tonight and Thursday.

Wind southwest 15 knots diminishing to light early Thursday evening.

Showers Thursday late in the day. Fog patches.

Waves

Issued 05:00 PM ADT 13 August 2025
Tonight and Thursday. Seas 1 metre.

Extended Forecast

Issued 03:30 PM ADT 13 August 2025
Friday Wind light becoming north 15 knots in the afternoon.
Saturday Wind light.
Sunday Wind southwest 15 knots increasing to southwest 20.

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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 Saint-Hubert 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 13 August 2025 Tonight and Thursday At 8:00 p.m. ADT tonight low 1010 mb located over Sable Island.
By 3:00 a.m. ADT Thursday departing trough located over Cabot
Strait.

At 8:00 p.m. ADT tonight trough located over Quebec.
By 3:30 p.m. ADT Thursday trough located over the Gulf of
St. Lawrence.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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