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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 22 June 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southerly 25 this morning then diminishing to southwest 10 to 15 this evening. Wind becoming northerly 10 to 15 near midnight then becoming light Monday morning.

Periods of rain today and this evening. Fog patches forming this morning and dissipating Monday afternoon.

Waves

Issued 05:00 PM ADT 21 June 2025
Tonight and Sunday. Seas 1 metre building to 2 Sunday afternoon.

Extended Forecast

Issued 03:30 PM ADT 21 June 2025
Monday Wind light.
Tuesday Wind southwest 15 to 20 knots.
Wednesday Wind northwest 15 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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land station Land Station
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 03:00 AM ADT 22 June 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 3:00 AM ADT 22 June 2025 Today Tonight and Monday At 3:00 a.m. ADT today ridge located from Georges Bank to Anticosti
Island.
By 3:30 p.m. ADT today departing ridge located over the southeastern
Marine District.

At 10:00 a.m. ADT today trough located west of the Marine District.
By 3:00 a.m. ADT Monday weakening trough located from the Gulf of
St. Lawrence to Cape Cod.

At 8:00 p.m. ADT Monday approaching trough located over southern
Quebec.

Marine Weather Statement

Issued 6:35 PM ADT 21 June 2025 Marine interests are advised that all gale warnings have ended.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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