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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 16 June 2026

Today Tonight and Wednesday.

Wind northwest 10 to 15 knots increasing to northwest 15 to 20 early this morning then backing to southwest 15 to 20 early this evening. Wind diminishing to southwest 10 to 15 Wednesday morning.

Fog patches dissipating this morning.

Waves

Issued 05:00 AM ADT 16 June 2026
Today Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 this morning then subsiding to 1 Wednesday morning.

Extended Forecast

Issued 03:00 AM ADT 16 June 2026
Thursday Wind south 10 to 15 knots increasing to southeast 30 late in the day.
Friday Wind southerly 30 knots.
Saturday Wind southwest 20 knots.

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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 - Quai de St-Jean 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 19 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 16 June 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today trough located from New Brunswick to East
Scotian Slope.
By 3:00 a.m. ADT Wednesday dissipating trough located from Anticosti
Island to Banquereau.

At 3:30 p.m. ADT today ridge located over New England.
By 3:30 p.m. ADT Wednesday ridge located on a line
northwest-southeast over the Marine District.

Marine Weather Statement

Issued 2:39 AM ADT 16 June 2026 A trough of low pressure stretching from New Brunswick to East
Scotian Slope will move eastward across the district today and
tonight. Strong to gale force southeasterly winds ahead of the trough
will shift to generally moderate to strong westerlies over most
waters in its wake.

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

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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