Language selection

Weather shortcuts

Grand Manan

Forecast

Marine Forecast

Issued 03:00 AM AST 16 November 2025

Today Tonight and Monday.

Gale warning in effect.

Wind south 25 knots increasing to southeasterly 35 this morning then diminishing to variable 15 to 20 near noon. Wind increasing to northwest 25 this evening then backing to west 30 after midnight. Wind veering to northwest 25 Monday evening.

Rain changing to scattered showers this afternoon then to flurries or scattered showers near midnight.

Waves

Issued 05:00 AM AST 16 November 2025
Today Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 this morning and to 3 to 5 late overnight. Seas subsiding to 2 to 3 Monday evening.

Extended Forecast

Issued 03:00 AM AST 16 November 2025
Tuesday Wind west 25 knots.
Wednesday Wind west 15 knots.
Thursday Wind light.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Gale warning in effect

Grand Manan

Issued 03:00 AM AST 16 November 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 AST 16 November 2025 Today Tonight and Monday At 3:00 a.m. AST today low 984 mb located over New England.
By 8:00 p.m. AST tonight low 979 mb located over the Bay of Fundy.

By 3:00 a.m. AST Monday low 976 mb located over the western Gulf
of St. Lawrence.

At 3:00 a.m. AST today weakening ridge located south of the Marine
District.

Marine Weather Statement

Issued 2:45 AM AST 16 November 2025 A developing low pressure system will approach the district from New
England today, moving over Southern New Brunswick by evening.
And then into the Western Gulf of St. Lawrence overnight. Winds will
increase to gale force southeasterlies ahead of the low then diminish
to moderate to strong southwesterlies south of it. Winds will once
again increase to strong to gale force westerlies over most waters on
Monday as the low intensifies.

Marine interests are advised that gale warnings are in effect for all
waters except Fundy.

Atlantic - Maritimes Area

Another Region

Date modified: