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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 10 March 2026

Today Tonight and Wednesday.

Wind southwest 15 knots diminishing to light near noon then becoming southwest 15 early this evening. Wind diminishing to light late overnight then increasing to east 20 Wednesday morning. Wind veering to southeast 25 Wednesday afternoon.

Showers Wednesday evening. Fog patches dissipating near noon.

Waves

Issued 05:00 AM ADT 10 March 2026
Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less this afternoon then building to 2 Wednesday morning.

Extended Forecast

Issued 03:00 AM ADT 10 March 2026
Thursday Wind southwest 35 knots diminishing to southwest 25 late in the day.
Friday Wind west 35 knots diminishing to southwest 25.
Saturday Wind southeast 20 knots increasing to southwest 30 late in the day.

Ice Forecast

Issued 10:00 AM EDT 10 March 2026 Today Tonight and Wednesday 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 10 March 2026 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 10 March 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today departing trough located over the eastern
Quebec Lower North Shore.

At 8:00 p.m. ADT tonight building high located over Quebec.
By 8:00 p.m. ADT Wednesday departing ridge from high located from
Labrador to Newfoundland.

At 8:00 p.m. ADT tonight approaching low located west of the
Maritimes.

Marine Weather Statement

Issued 9:48 AM ADT 10 March 2026 A departing trough of low pressure will pass just north of the marine
district this morning. Strong to gale force winds ahead of the trough
are expected to diminish through the day as it pulls away and a weak
ridge builds into the district.

Marine interests are advised that a gale warning is in effect for
Anticosti - northwestern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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