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Grand Manan

Forecast

Marine Forecast

Issued 08:00 PM ADT 16 July 2025

Tonight and Thursday.

Wind southerly 10 to 15 knots increasing to south 15 to 20 Thursday afternoon.

Showers overnight and Thursday with a risk of thunderstorms. Fog patches.

Waves

Issued 05:00 PM ADT 16 July 2025
Tonight and Thursday. Seas 1 metre.

Extended Forecast

Issued 03:30 PM ADT 16 July 2025
Friday Wind southerly 15 knots becoming northwest 15 in the afternoon.
Saturday Wind light.
Sunday Wind light.

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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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land station Land Station
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 16 July 2025 Tonight and Thursday At 8:00 p.m. ADT tonight low 1009 mb located over the St. Lawrence
River.
By 10:00 a.m. ADT Thursday weakening low 1011 mb located northeast
of the Marine District.

At 10:00 a.m. ADT Thursday low 1004 mb located near the Great Lakes.
By 8:00 p.m. ADT Thursday low 1000 mb located near the St. Lawrence
River.

St. Lawrence - St. Lawrence River Area

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