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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 06 June 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind southeasterly 20 knots diminishing to light early Sunday morning then increasing to north 20 near noon Sunday. Wind increasing to north 30 Sunday afternoon then diminishing to northeast 20 Sunday evening.

Rain overnight and Sunday. Risk of thunderstorms Sunday morning and afternoon. Fog patches forming this evening and dissipating Sunday evening.

Extended Forecast

Issued 03:30 PM ADT 06 June 2026
Monday Wind northerly 25 to 30 knots diminishing to northwesterly 15 to 20 in the afternoon.
Tuesday Wind westerly 20 knots diminishing to variable 10 to 15.
Wednesday 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 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 - western half

Issued 8:00 PM ADT 06 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 6 June 2026 Tonight and Sunday At 8:00 p.m. ADT tonight trough located over New England.
By 3:30 p.m. ADT Sunday trough located from the Gulf of St. Lawrence
to the Gulf of Maine.

At 8:00 p.m. ADT Sunday trough located from Newfoundland to
Browns Bank.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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