Marine Forecast

Issued 03:00 AM ADT 04 October 2015

Today Tonight and Monday

Strong wind warning in effect.

Wind northeast 25 to 30 knots diminishing to northeast 15 to 20 this evening then veering to east 20 after midnight. Wind diminishing to northeast 15 Monday morning and to light Monday evening.

A few showers beginning Monday evening.


Issued 05:00 AM ADT 04 October 2015
Today Tonight and Monday Seas 2 metres.

Extended Forecast

Issued 03:00 AM ADT 04 October 2015
Tuesday Wind north 25 knots diminishing to north 15 to 20 in the afternoon.
Wednesday Wind northwest 15 knots.
Thursday Wind northwest 15 knots.

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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 Varennes 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 May 2015 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect


Issued 03:00 AM ADT 04 October 2015

'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 10:00 AM ADT 4 October 2015 Today Tonight and Monday At 10:00 a.m. ADT today low 1010 mb located south of Laurentian Fan.
By 8:00 p.m. ADT tonight low 1008 mb located south of the Grand

At 10:00 a.m. ADT today ridge located over central Quebec.
By 10:00 a.m. ADT Monday ridge located over the Gulf of
St. Lawrence.

Marine Weather Statement

Issued 9:35 AM ADT 4 October 2015 A weak low pressure centre just southeast of Laurentian Fan will
continue to slowly move southeastward today. Meanwhile a large ridge
of high pressure will gradually drift southeastward today and
tonight. Strong to gale force northeast winds prevail between these
two features over southern offshore waters.

At 9:00 AM ADT, hurricane Joaquin was located near 30.4N 67.1W,
About 180 nautical miles southwest of Bermuda. Joaquin is moving
northeastward at 18 knots.

Marine interests are advised that gale warnings are in effect for
Georges Bank - southern half..West Scotian Slope - southern half..
East Scotian Slope - southern half..And Laurentian Fan - southern

St. Lawrence - St. Lawrence River Area

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