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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 20 May 2025

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northeast 15 to 20 knots increasing to northeast 25 near noon then diminishing to northeast 15 to 20 this evening. Wind increasing to northeast 20 to 25 Wednesday afternoon.

Scattered showers ending this afternoon.

Waves

Issued 05:00 AM ADT 20 May 2025
Today Tonight and Wednesday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM ADT 20 May 2025
Thursday Wind northeast 20 knots.
Friday Wind northeast 25 to 35 knots diminishing to north 20 late in the day.
Saturday Wind southwest 10 to 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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 10:00 AM ADT 20 May 2025

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 20 May 2025 Today Tonight and Wednesday At 10:00 a.m. ADT today trough located on a line east-west over
the southern Marine District.
By 8:00 p.m. ADT tonight trough located south of the Marine
District.

At 10:00 a.m. ADT Wednesday ridge located from Labrador to New
England.
By 8:00 p.m. ADT Wednesday ridge located on a line north-south
over the Maritimes.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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