Marine Forecast

Issued 03:00 AM ADT 27 March 2017

Today Tonight and Tuesday

Wind light increasing to southeast 15 knots this morning and to southeast 25 this afternoon. Wind backing to easterly 30 early this evening then diminishing to northeast 15 Tuesday morning. Wind diminishing to light Tuesday afternoon.

Rain or ice pellets beginning early this afternoon changing to rain and fog patches late this afternoon and ending overnight. Showers beginning Tuesday evening. Visibility 1 mile or less in precipitation and in fog patches.

Temperatures zero rising to plus 5 Tuesday morning.


Issued 05:00 AM ADT 27 March 2017
Today Tonight and Tuesday Seas 1 metre or less building to 1 to 2 this afternoon and to 2 to 3 this evening. Seas subsiding to 1 to 2 Tuesday morning.

Extended Forecast

Issued 03:00 AM ADT 27 March 2017
Wednesday Wind northeast 15 to 20 knots.
Thursday Wind north 25 to 30 knots.
Friday Wind north 30 knots diminishing to north 20.

Ice Forecast

Issued 10:00 AM EDT 26 March 2017 Today Tonight and Monday Ice free. 

[ Canadian Ice Service ]

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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 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 26 March 2017 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nova Scotia near 4540N 6015W to 4510N 5925W
to 4615N 5810W to Newfoundland near 4735N 5900W. Sea ice northwest
of the ice edge.

Ice Coverage

Ice free.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM ADT 27 March 2017 Today Tonight and Tuesday At 3:00 a.m. ADT today ridge located from Quebec to West Scotian
By 3:30 p.m. ADT Tuesday weakening ridge located from Labrador
to Banquereau.

At 8:00 p.m. ADT tonight low 1014 mb located west of Browns Bank.
By 3:30 p.m. ADT Tuesday low 1015 mb located over East Scotian

Marine Weather Statement

Issued 2:45 AM ADT 27 March 2017 A cold northwesterly flow will give freezing spray to northern and
eastern waters today.

Marine interests are advised that freezing spray warnings are in
effect for Banquereau, Cabot Strait, Gulf-Magdalen - northeastern
half, and Anticosti.

St. Lawrence - St. Lawrence River Area

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