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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 10 May 2026

Tonight and Monday.

Wind southerly 15 knots diminishing to light near midnight then becoming southwest 15 early Monday evening.

Showers this evening with a risk of thunderstorms. Scattered showers Monday. Fog patches dissipating Monday evening.

Waves

Issued 05:00 PM ADT 10 May 2026
Tonight and Monday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM ADT 10 May 2026
Tuesday Wind light.
Wednesday Wind northwest 15 knots backing to southwest 15.
Thursday Wind south 15 knots backing to southeast 20.

Ice Forecast

Issued 10:00 AM EDT 10 May 2026 Today Tonight and Monday 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 10 May 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Quebec near 5016N 6251W to 4956N 6207W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 10 May 2026 Tonight and Monday At 8:00 p.m. ADT tonight trough located from the St. Lawrence
River to the Gulf of Maine.
By 3:00 a.m. ADT Monday trough located from Anticosti Island to
West Scotian Slope.

At 8:00 p.m. ADT Monday weakening trough located from Labrador to
East Scotian Slope.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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