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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 23 March 2025

Tonight and Monday.

Gale warning in effect.

Wind northwest 30 knots diminishing to northwest 15 to 20 near midnight and to light late overnight. Wind increasing to south 15 near noon Monday and to southeast 25 Monday afternoon. Wind increasing to south 35 Monday evening.

Snow Monday afternoon and evening changing to rain and fog patches.

Temperatures near zero.

Waves

Issued 05:00 PM ADT 23 March 2025
Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 Monday evening.

Extended Forecast

Issued 03:30 PM ADT 23 March 2025
Tuesday Wind south 35 knots diminishing to southwest 25 in the morning and to southwest 15 to 20 in the afternoon.
Wednesday Wind west 15 to 20 knots.
Thursday Wind east 25 knots becoming northwest 25.

Ice Forecast

Issued 10:00 AM EDT 23 March 2025 Today Tonight and Monday Ice free. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 23 March 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nova Scotia near 4521N 6100W to 4600N 5900W
to Newfoundland near 4736N 5740W. Sea ice northwest of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Grand Manan

Issued 3:30 PM ADT 23 March 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 3:30 PM ADT 23 March 2025 Tonight and Monday At 3:30 p.m. ADT today trough located over Cabot Strait.
By 8:00 p.m. ADT tonight departing trough located over Banquereau.

At 10:00 a.m. ADT Monday approaching trough located over New
England.

Marine Weather Statement

Issued 4:08 PM ADT 23 March 2025 A trough of low pressure over Cabot Strait will track eastward across
Newfoundland tonight. Strong to gale force northwesterly winds are
forecast in the wake of the trough.

A second trough of low pressure will approach the marine district
late on Monday. Strong to gale force southerlies will develop ahead
of this feature over western waters.

Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, eastern shore - eastern half,
Sable - eastern half. East Scotian Slope, Fourchu, Banquereau,
Laurentian Fan, Cabot Strait, Gulf-Magdalen - northeastern half, and
Anticosti - southwestern half. Marine interests are also advised a
freezing spray warning is in effect for Anticosti.

Atlantic - Maritimes Area

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Marine Weather for Canada

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