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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 18 May 2025

Tonight and Monday.

Strong wind warning in effect.

Wind southwest 15 knots diminishing to light late overnight then increasing to north 20 Monday afternoon.

Periods of rain. Fog patches dissipating Monday afternoon.

Waves

Issued 05:00 PM ADT 18 May 2025
Tonight and Monday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM ADT 18 May 2025
Tuesday Wind north 20 knots veering to northeast 25 in the afternoon.
Wednesday Wind northeast 20 knots.
Thursday Wind northeast 20 knots.

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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 16 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 3:30 PM ADT 18 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 18 May 2025 Tonight and Monday At 3:30 p.m. ADT today low 994 mb located over Maine.
By 3:00 a.m. ADT Monday low 993 mb located over southern New
Brunswick.

At 3:30 p.m. ADT today trough from low located from the Gulf of
Maine to East Scotian Slope.
By 3:00 a.m. ADT Monday trough from low located from New Brunswick
to Laurentian Fan.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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