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Grand Manan

Forecast

Marine Forecast

Issued 03:00 AM ADT 19 May 2025

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind light increasing to northwest 15 to 20 knots near noon then veering to north 20 to 25 near midnight. Wind veering to northeast 25 Tuesday afternoon.

Periods of rain and fog patches ending overnight. Risk of thunderstorms early this morning.

Waves

Issued 05:00 AM ADT 19 May 2025
Today Tonight and Tuesday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM ADT 19 May 2025
Wednesday Wind northeast 20 knots.
Thursday Wind northeast 20 knots.
Friday Wind northeast 25 to 35 knots diminishing to north 20 late in the day.

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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 03:00 AM ADT 19 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 3:00 AM ADT 19 May 2025 Today Tonight and Tuesday At 3:00 a.m. ADT today trough from low located from Grand Manan
to Laurentian Fan.
By 3:30 p.m. ADT today trough from low located from Nova Scotia
to Banquereau.

At 3:00 a.m. ADT Tuesday trough located from LaHave Bank to East
Scotian Slope.
By 8:00 p.m. ADT Tuesday trough located on a line
northeast-southwest over southeastern Laurentian Fan.

St. Lawrence - St. Lawrence River Area

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