Marine Forecast

Issued 08:00 PM ADT 19 March 2018

Tonight and Tuesday.

Wind northwest 25 to 30 knots and locally gusts to 35 along the coast late this evening. Wind diminishing to northwest 20 late overnight and to northwest 10 to 15 Tuesday afternoon. Wind diminishing to light Tuesday evening.

A few flurries ending Tuesday morning. Visibility 1 mile or less in flurries.

Temperatures near minus 1.


Issued 05:00 PM ADT 19 March 2018
Tonight and Tuesday. Seas 2 to 3 metres subsiding to 1 to 2 early Tuesday morning and to 1 or less Tuesday evening.

Extended Forecast

Issued 03:30 PM ADT 19 March 2018
Wednesday Wind northeast 10 to 15 knots increasing to northeast 25 to 35 in the afternoon.
Thursday Wind northeast 35 to 45 knots backing to northerly 35.
Friday Wind northwest 25 knots diminishing to northerly 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 19 March 2018 Today Tonight and Tuesday 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 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 19 March 2018 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Nova Scotia near 4520N 6100W to 4510N 6005W
to 4550N 5815W to 4655N 5755W to Newfoundland near 4730N 5610W. Sea
ice north of the ice edge.

Ice Coverage

Ice free.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM ADT 20 March 2018 Today Tonight and Wednesday At 3:00 a.m. ADT today ridge located over New England.
By 8:00 p.m. ADT tonight ridge located over the western Marine

At 3:00 a.m. ADT Wednesday trough located southwest of the Marine
By 8:00 p.m. ADT Wednesday trough located on a line east-west over
the southern Marine District.

Marine Weather Statement

Issued 2:45 AM ADT 20 March 2018 A quasi-stationary low pressure system northeast of the district will
maintain strong west to northwesterlies over the region until a ridge
of high pressure builds in overnight. Freezing spray over northern
waters will subside this evening.

A trough of low pressure will approach the Maritimes from the
southwest on Wednesday. Strong to gale force northeasterly winds
north of the trough will spread to most of the district by Thursday
morning and switch to strong to gale force southwesterly winds in its

Marine interests are advised that gale warnings are in effect for all
marine waters except for Cabot Strait, Northumberland Strait, Gulf -
Magdalen, Chaleur - Miscou and Anticosti. Freezing spray warnings are
in effect for and all Gulf of St. Lawrence waters.

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