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Grand Manan

Forecast

Marine Forecast

Issued 03:00 AM ADT 28 April 2025

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind north 25 knots backing to northwest 25 this morning then diminishing to northwest 15 this afternoon. Wind becoming east 15 this evening then diminishing to light overnight. Wind increasing to south 15 Tuesday morning and to south 20 near noon Tuesday. Wind veering to southwest 25 Tuesday evening.

Showers ending this morning.

Waves

Issued 05:00 PM ADT 27 April 2025
Tonight and Monday. Seas 2 to 3 metres subsiding to 1 to 2 this evening and to 1 or less Monday afternoon.

Extended Forecast

Issued 03:00 AM ADT 28 April 2025
Wednesday Wind southwest 25 knots veering to northwest 20 in the afternoon.
Thursday Wind northwest 25 knots diminishing to variable 15.
Friday Wind light increasing to southeast 20 knots late in the day.

Ice Forecast

Issued 10:00 AM EDT 27 April 2025 Today Tonight and Monday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 27 April 2025 Today Tonight and Monday

Ice Edge

First ice edge estimated from Quebec near 4832N 6412W to 4835N 6404W
to 4844N 6402W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.

Second ice edge estimated from Quebec near 5011N 6057W to 4955N
6023W to 5107N 5730W to Newfoundland near 5029N 5728W. Sea ice north
then east of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 03:00 AM ADT 28 April 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 28 April 2025 Today Tonight and Tuesday At 3:00 a.m. ADT today low 1002 mb located over Cabot Strait.
By 8:00 p.m. ADT tonight departing low 1008 mb located near
Laurentian Fan.

At 8:00 p.m. ADT tonight ridge located over the western Marine
District.
By 10:00 a.m. ADT Tuesday ridge located from Georges Bank to
Cabot Strait.

Marine Weather Statement

Issued 3:05 AM ADT 28 April 2025 A low pressure system over the Cabot Strait will slowly track
southward to lie near Sable Island by Monday afternoon. Strong
southerlies ahead of the system shift to strong to gale force
northerlies behind it.

Marine interests are advised that a gale warning is in effect for the
eastern half of Gulf-Magdalen.

Atlantic - Maritimes Area

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