Marine Forecast

Issued 03:00 AM ADT 22 October 2016

Today Tonight and Sunday

Gale warning in effect.

Wind easterly 15 to 20 knots diminishing to southerly 10 to 15 this morning then increasing to southwest 25 near midnight. Wind increasing to southwest 35 Sunday morning then diminishing to west 30 Sunday evening.

Rain at times heavy changing to chance of showers tonight then to a few showers Sunday morning. Fog banks dissipating near midnight.


Issued 05:00 AM ADT 22 October 2016
Today Tonight and Sunday Seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to 4 near noon Sunday.

Extended Forecast

Issued 03:00 AM ADT 22 October 2016
Monday Wind westerly 30 knots.
Tuesday Wind westerly 20 to 25 knots.
Wednesday Wind northeasterly 20 to 25 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 25 May 2016 Forecasts have ended for the season.

Warnings (In effect)

Gale warning in effect


Issued 03:00 AM ADT 22 October 2016

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 3:00 AM ADT 22 October 2016 Today Tonight and Sunday At 3:00 a.m. ADT today low 998 mb located near Cape Cod.
By 10:00 a.m. ADT Sunday low 984 mb located northwest of New

At 3:30 p.m. ADT today trough from low located on a line
northwest-southeast over the western Marine District.
By 3:00 a.m. ADT Sunday merging trough from low located on a line
east-west over the Gulf of St. Lawrence.

Marine Weather Statement

Issued 2:48 AM ADT 22 October 2016 A low pressure system near Cape Cod will move northward today to lie
over the St Lawrence River overnight. A trough extending
southeastward from the low will pass over Georges Bank this afternoon
and continue northward to lie over Anticosti Island by Sunday
morning. Strong to gale force southeasterlies ahead of the trough
will shift to strong to gale force southwesterlies behind it.

Marine interests are advised that gale warnings are in effect for all
Waters except Cabot Strait..Northumberland Strait..Gulf-Magdalen and

St. Lawrence - St. Lawrence River Area

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