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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 22 July 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind southerly 20 to 25 knots diminishing to southwest 15 late overnight and to light Thursday morning. Wind becoming southwest 15 Thursday afternoon.

Scattered showers ending near noon Thursday. Fog patches dissipating Thursday evening.

Waves

Issued 05:00 PM ADT 22 July 2026
Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 near noon Thursday.

Extended Forecast

Issued 03:30 PM ADT 22 July 2026
Friday Wind southwest 10 to 15 knots.
Saturday Wind variable 10 to 15 knots.
Sunday Wind northeast 10 to 15 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

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 3:30 PM ADT 22 July 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 3:30 PM ADT 22 July 2026 Tonight and Thursday At 3:30 p.m. ADT today trough located over the western Marine
District.
By 8:00 p.m. ADT Thursday trough located over the eastern Marine
District.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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