Northumberland Strait


Marine Forecast

Issued 03:00 AM ADT 24 September 2017

Today Tonight and Monday.

Wind northeast 10 to 15 knots becoming variable 15 early this morning then becoming southeast 10 to 15 this afternoon. Wind diminishing to light this evening then becoming northerly 10 to 15 Monday morning. Wind diminishing to light Monday evening.

A few showers beginning this morning and ending Monday morning.

Extended Forecast

Issued 03:00 AM ADT 24 September 2017
Tuesday Wind southwest 20 knots becoming northerly 20 late in the day.
Wednesday Wind easterly 10 to 15 knots becoming light.
Thursday Wind southwest 25 knots veering to northwest 25.

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault L'Assomption Trois-Rivières Airport Saint-Hubert Airport Baie-Comeau Airport Cap-Rouge Pointe de l'Islet Sept-Îles Airport Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Bouctouche AAFC Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape Île d'Orléans Île aux-Grues Lac Saint-Pierre Lac Memphremagog Sainte-Anne-de-Bellevue Saint-Anicet Île Rouge Pointe Claveau Pointe-des-Monts Pointe-Noire Île Bicquette Cap-Chat Montréal-Trudeau Int'l Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 20 June 2017 Forecasts have ended for the season.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM ADT 24 September 2017 Today Tonight and Monday At 3:00 a.m. ADT today departing low located northeast of

At 8:00 p.m. ADT tonight approaching high located over the
northeastern United States.

Marine Weather Statement

Issued 2:47 AM ADT 24 September 2017 At 12 AM ADT tropical storm Lee was located near 31.9 north, 50.1
west. Lee was nearly stationary. Maximum sustained winds were 45
knots and the central pressure was 1003 millibars.

Lee is intensifying and is forecast to become a hurricane by 9 PM
this evening. Lee will not affect the marine district of Atlantic

St. Lawrence - St. Lawrence River Area

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