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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 15 May 2026

Tonight and Saturday.

Strong wind warning in effect.

Wind northeast 15 knots diminishing to light this evening then increasing to southwest 15 Saturday morning. Wind increasing to southwest 25 Saturday afternoon.

Fog patches forming this evening and dissipating Saturday morning.

Waves

Issued 05:00 PM ADT 15 May 2026
Tonight and Saturday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM ADT 15 May 2026
Sunday Wind southwest 25 knots veering to northwest 20 late in the day.
Monday Wind northwest 15 knots backing to southwest 15.
Tuesday Wind southwest 20 knots.

Ice Forecast

Issued 10:00 AM EDT 15 May 2026 Today Tonight and Saturday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 15 May 2026 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Quebec near 5108N 5835W to 5104N 5812W to
5116N 5738W to Quebec near 5125N 5736W. Sea ice north of the ice
edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 3:30 PM ADT 15 May 2026

'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 15 May 2026 Tonight and Saturday At 3:30 p.m. ADT today low 1000 mb located east of Cape Breton
Island.
By 3:30 p.m. ADT Saturday departing low 990 mb located northeast
of Newfoundland.

At 10:00 a.m. ADT Saturday approaching ridge located southwest of
the Marine District.

Marine Weather Statement

Issued 3:07 PM ADT 15 May 2026 A low pressure system east of Cape Breton will continue tracking
northeastward tonight to lie northeast of Newfoundland by Saturday
afternoon. Strong to gale force easterly winds north of the low shift
to strong to gale force westerly winds in its wake. Winds will
subside late in the day Saturday as the low departs the region.

Marine interests are advised that gale warnings are in effect for
Banquereau - southern half, Laurentian Fan, and Cabot Strait.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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