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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 15 March 2026

Today Tonight and Monday.

Gale warning in effect.

Wind northwest 15 to 20 knots diminishing to light this afternoon then increasing to southeast 20 to 25 Monday morning. Wind increasing to southeast 35 near noon Monday then veering to southerly 40 Monday afternoon.

Flurries ending late this morning. Rain Monday with a risk of thunderstorms.

Temperatures plus 2 rising to plus 7 Monday evening.

Waves

Issued 05:00 AM ADT 15 March 2026
Today Tonight and Monday. Seas 1 metre building to 1 to 2 Monday morning and to 3 to 4 Monday afternoon.

Extended Forecast

Issued 03:00 AM ADT 15 March 2026
Tuesday Wind south 35 to 45 knots veering to southwest 25 to 35 in the afternoon.
Wednesday Wind northwest 25 knots diminishing to light late in the day.
Thursday Wind light becoming south 15 knots.

Ice Forecast

Issued 10:00 AM EDT 14 March 2026 Today Tonight and Sunday Open water. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 14 March 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4558N 5841W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

Grand Manan

Issued 03:00 AM ADT 15 March 2026

'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 ADT 15 March 2026 Today Tonight and Monday At 3:30 p.m. ADT today approaching ridge located over the Gulf
of Maine.

At 8:00 p.m. ADT Monday approaching low 988 mb located over Quebec.

Marine Weather Statement

Issued 2:46 AM ADT 15 March 2026 A low over Southeastern Newfoundland is continuing to depart leaving
gale force northwesterlies in its wake. A ridge of high pressure is
beginning to build into the region giving gradually diminishing winds
over most of the marine district.

Monday night a low over Quebec is forecasted to give gale force
southerlies as the system progresses through eastern, and Atlantic
Canada.

Marine interests are advised that gale warnings are in effect for all
regions except Northumberland Strait - western half and Chaleur -
Miscou.

Marine interests are also advised that a freezing spray warning is in
effect for Anticosti - northern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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