Marine Forecast

Issued 03:30 PM ADT 16 October 2018

Tonight and Wednesday.

Strong wind warning in effect.

Wind west 25 to 30 knots diminishing to west 15 to 20 near midnight then backing to southwest 20 to 25 Wednesday morning. Wind veering to northwest 30 Wednesday evening.

Showers beginning Wednesday evening.


Issued 05:00 AM ADT 16 October 2018
Today Tonight and Wednesday. Seas 3 to 5 metres subsiding to 2 to 3 this evening and to 1 to 2 Wednesday morning. Seas building to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 03:30 PM ADT 16 October 2018
Thursday Wind northwest 35 knots.
Friday Wind northwest 25 to 30 knots backing to southwest 20 to 25.
Saturday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 26 May 2018 Forecasts available to mariners upon request. 

[ Canadian Ice Service ]

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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 Île d'Orléans L'Assomption Trois-Rivières Airport Île aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat 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
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2018

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Forecasts available to mariners upon request.


Warnings (In effect)

Strong wind warning in effect


Issued 3:30 PM ADT 16 October 2018

'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.


Technical Marine Synopsis

Issued 3:30 PM ADT 16 October 2018 Tonight and Wednesday At 3:30 p.m. ADT today low 970 mb located over southeastern
By 3:00 a.m. ADT Wednesday departing low 964 mb located northeast
of Newfoundland.

At 10:00 a.m. ADT Wednesday trough located on a line
northeast-southwest over the Gaspe Peninsula.
By 8:00 p.m. ADT Wednesday trough located on a line
northwest-southeast over Nova Scotia.

At 3:00 a.m. ADT Wednesday ridge located over New Brunswick.
By 3:30 p.m. ADT Wednesday departing ridge located over the eastern
Marine District.

Marine Weather Statement

Issued 3:25 PM ADT 16 October 2018 An intense low pressure system over Southeastern Labrador will
continue to track northeastward to lie southeast of the Labrador Sea
by overnight tonight. Gale to storm force westerly winds will
gradually diminish tonight in the wake of this system.

On Wednesday, a trough will move over the marine district from the
west. This will give strong to gale force westerlies to southern

Marine interests are advised that storm warnings are in effect for
Cabot Strait, Gulf - Magdalen, and Anticosti - southern half.
Gale warnings are in effect for all remaining waters except Grand
Manan, Lurcher and Browns Bank.

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