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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 14 June 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind light increasing to southeast 15 knots this afternoon and to southeasterly 20 to 25 this evening. Wind southeasterly 20 to 25 Monday.

Scattered showers ending overnight. Periods of rain and fog patches Monday evening. Fog patches dissipating this afternoon.

Extended Forecast

Issued 03:00 AM ADT 14 June 2026
Tuesday Wind southeast 20 to 25 knots diminishing to westerly 10 to 15 in the afternoon.
Wednesday Wind variable 10 to 15 knots.
Thursday Wind east 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

Northumberland Strait

Issued 11:00 AM ADT 14 June 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 June 2026 Today Tonight and Monday At 10:00 a.m. ADT today trough located from New Brunswick to East
Scotian Slope.
By 8:00 p.m. ADT tonight departing trough located south of
Laurentian Fan.

At 3:30 p.m. ADT today trough located over the Great Lakes.
By 3:30 p.m. ADT Monday trough located from Quebec to the Gulf
of Maine.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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