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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 12 June 2026

Today Tonight and Saturday.

Wind northeast 15 to 20 knots diminishing to southeasterly 10 to 15 this evening then increasing to southeast 15 to 20 Saturday morning. Wind diminishing to light Saturday evening.

Scattered showers overnight and Saturday.

Extended Forecast

Issued 03:00 AM ADT 12 June 2026
Sunday Wind light becoming southeast 15 knots late in the day.
Monday Wind south 15 knots.
Tuesday Wind variable 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 12 June 2026 Today Tonight and Saturday At 10:00 a.m. ADT today ridge located north of the Marine District.
By 3:30 p.m. ADT Saturday ridge located from Labrador to the
Grand Banks.

At 3:30 p.m. ADT today trough located over New England.
By 8:00 p.m. ADT Saturday trough located from Quebec to West
Scotian Slope.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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