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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 31 May 2025

Tonight and Sunday.

Strong wind warning in effect.

Wind southerly 20 to 25 knots increasing to southerly 30 this evening then veering to southwest 25 early Sunday morning.

Showers ending overnight. Risk of thunderstorms late this afternoon. Fog patches dissipating early Sunday morning.

Waves

Issued 05:00 PM ADT 31 May 2025
Tonight and Sunday. Seas 1 to 2 metres building to 2 to 3 late this evening and to 3 to 4 late overnight. Seas subsiding to 2 to 3 early Sunday morning.

Extended Forecast

Issued 03:30 PM ADT 31 May 2025
Monday Wind southwest 15 to 20 knots.
Tuesday Wind light becoming southwest 15 knots.
Wednesday Wind southwest 10 to 15 knots increasing to southwest 20 to 25.

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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

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 3:30 PM ADT 31 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 3:30 PM ADT 31 May 2025 Tonight and Sunday At 3:30 p.m. ADT today low 986 mb located north of Cape Cod.
By 8:00 p.m. ADT tonight low 983 mb located over Maine.

At 3:00 a.m. ADT Sunday quasi-stationary low 983 mb located near
the St. Lawrence River.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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