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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 14 March 2026

Tonight and Sunday.

Wind northwest 15 to 20 knots diminishing to light Sunday afternoon.

Flurries overnight.

Temperatures near plus 1.

Waves

Issued 05:00 PM ADT 14 March 2026
Tonight and Sunday. Seas 2 to 3 metres subsiding to 1 to 2 this evening and to 1 or less Sunday evening.

Extended Forecast

Issued 03:30 PM ADT 14 March 2026
Monday Wind southeast 20 knots increasing to south 35 in the afternoon.
Tuesday Wind south 35 to 45 knots veering to southwest 25 to 35.
Wednesday Wind northwest 25 knots diminishing to light late in the day.

Ice Forecast

Issued 10:00 AM EDT 14 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 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 14 March 2026 Tonight and Sunday At 8:00 p.m. ADT tonight low 1002 mb located over Cape Breton
Island.
By 3:00 a.m. ADT Sunday departing low 998 mb located south of the
Avalon Peninsula.

At 3:30 p.m. ADT Sunday approaching ridge located over the Gulf
of Maine.

Marine Weather Statement

Issued 7:40 PM ADT 14 March 2026 A low pressure system over Southern New Brunswick will move to lie
over Cape Breton this evening. Strong to gale force southeasterlies
ahead of the low shift to strong to gale force westerlies in its
wake.

The low will continue eastward overnight and pass just south of the
Avalon Peninsula.

Marine interests are advised that gale warnings are in effect for
Georges Bank, southwestern shore, LaHave Bank, West Scotian Slope,
eastern shore, Sable, East Scotian Slope, Fourchu, Banquereau,
Laurentian Fan, Cabot Strait and Gulf-Magdalen.

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

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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