Marine Forecast

Issued 03:30 PM AST 14 December 2017

Tonight and Friday.

Wind westerly 20 knots increasing to westerly 30 this evening then diminishing to westerly 20 near noon Friday. Wind diminishing to light Friday evening.

Flurries or showers ending Friday afternoon.


Issued 05:00 PM AST 14 December 2017
Tonight and Friday. Seas 2 to 3 metres subsiding to 1 to 2 Friday evening.

Extended Forecast

Issued 03:30 PM AST 14 December 2017
Saturday Wind northwest 20 knots increasing to northwest 30 to 35 in the afternoon.
Sunday Wind northwest 25 to 30 knots.
Monday Wind northwesterly 10 to 15 knots.

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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 EST 14 December 2017 Today Tonight and Friday

No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:30 PM AST 14 December 2017 Tonight and Friday At 3:30 p.m. AST today departing low 962 mb located over Labrador.

At 3:30 p.m. AST today low 996 mb located over East Scotian Slope.
By 3:00 a.m. AST Friday departing low 986 mb located northeast
of Newfoundland.

At 3:00 a.m. AST Friday high located west of Long Island.
By 3:30 p.m. AST Friday high located west of Georges Bank.

Marine Weather Statement

Issued 3:21 PM AST 14 December 2017 Gale force westerlies will persist over northern waters tonight and
most of the day Friday as an intense low pressure system over
Labrador drifts northward.

A second fast-moving low pressure system currently over the East
Scotian Slope will cross Laurentian Fan this evening then move
northeast of Newfoundland overnight. Gale force southerlies ahead of
the low will shift to gale force westerlies in its wake.

Marine interests are advised that gale warnings are in effect for
Georges Bank-southern half, West Scotian Slope-southern half, eastern
shore, Sable, East Scotian Slope, Fourchu, Banquereau, Laurentian
Fan, Cabot Strait and all waters of the Gulf of St. Lawrence.

Marine interests are also advised that freezing spray warnings are in
effect for all Gulf of St. Lawrence waters.

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