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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 12 July 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind light increasing to west 10 to 15 knots after midnight and to southwest 15 to 20 near noon Monday. Wind increasing to southwest 20 to 25 Monday evening.

Waves

Issued 05:00 AM ADT 12 July 2026
Today Tonight and Monday. Seas 1 metre or less building to 1 to 2 Monday evening.

Extended Forecast

Issued 03:00 AM ADT 12 July 2026
Tuesday Wind southwest 25 knots.
Wednesday Wind west 15 to 20 knots.
Thursday Wind west 15 to 20 knots backing to southwest 20 to 25.

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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 10:00 AM ADT 12 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 10:00 AM ADT 12 July 2026 Today Tonight and Monday At 10:00 a.m. ADT today ridge located from the Great Lakes to the
Gulf of Maine.
By 3:00 a.m. ADT Monday ridge located on a line east-west over
the southern Marine District.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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