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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 13 April 2026

Tonight and Tuesday.

Wind southwest 20 knots veering to westerly 15 late overnight then diminishing to light near noon Tuesday.

Periods of rain ending overnight. Fog patches dissipating near noon Tuesday.

Waves

Issued 05:00 PM ADT 13 April 2026
Tonight and Tuesday. Seas 2 metres subsiding to 1 Tuesday morning.

Extended Forecast

Issued 03:30 PM ADT 13 April 2026
Wednesday Wind southeast 15 knots diminishing to light in the afternoon.
Thursday Wind easterly 15 knots.
Friday Wind southerly 20 to 25 knots.

Ice Forecast

Issued 10:00 AM EDT 13 April 2026 Today Tonight and Tuesday Ice free. 

[ 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 13 April 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Cape Breton Island near 4607N 5949W to 4631N
5919W to 4844N 6156W to 4919N 6025W to Newfoundland near 4753N
5924W. Sea ice west then northeast of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 13 April 2026 Tonight and Tuesday At 8:00 p.m. ADT tonight low 1000 mb located west of Anticosti
Island.
By 10:00 a.m. ADT Tuesday departing low 1002 mb located over the
Avalon Peninsula.

At 10:00 a.m. ADT Tuesday ridge located west of the Marine District.
By 8:00 p.m. ADT Tuesday ridge located over the central Marine
District.

Marine Weather Statement

Issued 7:49 PM ADT 13 April 2026 A low pressure system will cross the northern marine district tonight
and Tuesday morning. Strong to gale force southwesterlies will
diminish to moderate to strong west to northwest winds in the wake of
the low.

Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope, East Scotian Slope, and Laurentian
Fan.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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