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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 14 October 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind southeast 25 knots diminishing to southwest 15 near noon then veering to northwest 15 early this evening. Wind increasing to northwest 25 near midnight then diminishing to northwest 15 Thursday evening.

Rain with a risk of thunderstorms changing to scattered showers this afternoon and ending near midnight. Fog patches dissipating early this evening.

Waves

Issued 05:00 AM ADT 14 October 2026
Today Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 this morning and to 1 or less Thursday evening.

Extended Forecast

Issued 03:00 AM ADT 14 October 2026
Friday Wind light increasing to southerly 20 knots in the afternoon and to southeast 30 late in the day.
Saturday Wind southwest 30 knots veering to northwest 30.
Sunday Wind northwest 20 knots.

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

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 10:00 AM ADT 14 October 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 14 October 2026 Today Tonight and Thursday At 10:00 a.m. ADT today departing ridge located over the southern
Grand Banks.

At 10:00 a.m. ADT today low 1007 mb located over Maine.
By 10:00 a.m. ADT Thursday departing low 989 mb located over
Newfoundland.

At 8:00 p.m. ADT Thursday approaching ridge located west of the
Marine District.

Marine Weather Statement

Issued 9:33 AM ADT 14 October 2026 A low pressure system will track across the marine district today and
tonight reaching Newfoundland by Thursday morning. Strong to gale
force south to southeast winds ahead of the low will shift to strong
to gale force northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for
eastern shore, Sable, East Scotian Slope - eastern half, Fourchu,
Banquereau, Laurentian Fan, Cabot Strait, Northumberland Strait,
Gulf-Magdalen, Chaleur-Miscou - eastern half, and Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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