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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 09 May 2025

Today Tonight and Saturday.

Strong wind warning in effect.

Wind northeast 25 knots veering to east 20 near midnight then backing to northeast 25 Saturday morning. Wind diminishing to variable 15 to 20 Saturday afternoon then increasing to northwest 25 Saturday evening.

Showers beginning near midnight changing to rain Saturday morning with a risk of thunderstorms then to showers Saturday evening. Fog banks forming near midnight.

Waves

Issued 05:00 PM ADT 08 May 2025
Tonight and Friday. Seas 1 metre or less building to 1 to 2 late overnight then subsiding to 1 or less Friday evening.

Extended Forecast

Issued 03:00 AM ADT 09 May 2025
Sunday Wind northwest 25 knots.
Monday Wind northwest 15 knots increasing to southwest 25.
Tuesday Wind light.

Ice Forecast

Issued 10:00 AM EDT 8 May 2025 Today Tonight and Friday Ice free. 

[ Canadian Ice Service ]

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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 8 May 2025 Today Tonight and Friday

Ice Edge

Ice edge estimated from Quebec near 5012N 6010W to 5002N 6000W to 5104N 5745W to Newfoundland near 5049N 5704W. Sea ice north of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 03:00 AM ADT 09 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 9 May 2025 Today Tonight and Saturday At 3:00 a.m. ADT today trough located south of Nova Scotia.
By 8:00 p.m. ADT tonight trough located over the southern Marine
District.

At 3:00 a.m. ADT Saturday low 1009 mb located near Cape Cod.
By 8:00 p.m. ADT Saturday low 1002 mb located near Grand Manan.

Marine Weather Statement

Issued 7:44 PM ADT 8 May 2025 Marine interests are advised that the gale warning for Anticosti -
eastern half has ended.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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