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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 19 June 2025

Today Tonight and Friday.

Strong wind warning in effect.

Wind south 10 to 15 knots increasing to south 15 to 20 this evening then veering to southwest 25 Friday afternoon. Wind diminishing to west 15 Friday evening.

Scattered showers and fog banks. Risk of thunderstorms late this afternoon and this evening.

Waves

Issued 05:00 AM ADT 19 June 2025
Today Tonight and Friday. Seas 1 metre or less building to 1 to 2 late overnight and to 2 to 3 Friday afternoon.

Extended Forecast

Issued 03:00 AM ADT 19 June 2025
Saturday Wind northwest 20 knots diminishing to light in the morning.
Sunday Wind southwest 15 knots increasing to southwest 20.
Monday Wind southwest 10 to 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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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 10:00 AM ADT 19 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 10:00 AM ADT 19 June 2025 Today Tonight and Friday At 10:00 a.m. ADT today low 984 mb located over southern Labrador
Sea.
By 10:00 a.m. ADT today trough from 984 mb low located from Labrador
Sea to Newfoundland.

At 3:30 p.m. ADT today low 1000 mb located over eastern Ontario.
By 3:30 p.m. ADT Friday low 996 mb located over Chaleur Bay.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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