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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 14 August 2026

Today Tonight and Saturday.

Wind northwest 10 to 15 knots diminishing to light near noon Saturday then becoming southwest 15 Saturday evening.

Scattered showers this afternoon and this evening. Fog patches dissipating this morning.

Waves

Issued 05:00 AM ADT 14 August 2026
Today Tonight and Saturday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 14 August 2026
Sunday Wind light becoming southwest 10 to 15 knots in the afternoon.
Monday Wind light increasing to variable 15 to 20 knots.
Tuesday Wind variable 15 knots.

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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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 14 August 2026 Today Tonight and Saturday At 3:00 a.m. ADT today low 1005 mb located over Cabot Strait.
By 3:00 a.m. ADT Saturday low 1003 mb located south of Newfoundland.

At 3:00 a.m. ADT Saturday trough located over the eastern Marine
District.
By 3:30 p.m. ADT Saturday departing trough located over the
Grand Banks.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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