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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 07 March 2026

Tonight and Sunday.

Wind southerly 25 knots veering to southwest 30 near midnight then diminishing to southwest 20 Sunday afternoon. Wind veering to westerly 15 Sunday evening.

Showers. Fog patches dissipating Sunday evening.

Waves

Issued 05:00 PM AST 07 March 2026
Tonight and Sunday. Seas 1 to 2 metres building to 2 to 3 late overnight then subsiding to 1 to 2 Sunday evening.

Extended Forecast

Issued 03:30 PM AST 07 March 2026
Monday Wind southwest 10 to 15 knots increasing to southwest 25 late in the day.
Tuesday Wind southwest 15 to 20 knots.
Wednesday Wind easterly 25 knots.

Ice Forecast

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4549N 5807W to 4708N 5834W to 4630N 5615W 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 3:30 PM AST 7 March 2026 Tonight and Sunday At 3:30 p.m. AST today dissipating low located south of East
Scotian Slope.

At 8:00 p.m. AST tonight trough located over Quebec.
By 3:30 p.m. ADT Sunday trough located over the Gulf of
St. Lawrence.

Marine Weather Statement

Issued 3:15 PM AST 7 March 2026 A trough of low pressure approaching from the west tonight will come
to lie over the Gulf of St. Lawrence tomorrow afternoon. Winds will
increase to strong to gale force southwesterlies ahead of the trough.

Marine interests are advised that gale warnings are in effect for
Banquereau northern half, Cabot Strait, Gulf-Magdalen - northeastern
half and Anticosti - southeastern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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