Northumberland Strait

Forecast

Marine Forecast

Issued 10:00 AM ADT 29 August 2016

Today Tonight and Tuesday

Strong wind warning in effect.

Wind southwest 20 to 25 knots veering to northwest 25 early this evening then diminishing to northwest 15 near noon Tuesday. Wind diminishing to light Tuesday evening.

A few showers ending near midnight with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM ADT 29 August 2016
Wednesday Wind southwest 20 knots.
Thursday Wind west 15 to 20 knots veering to northerly 20 late in the day.
Friday Wind northerly 15 to 20 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

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 10:00 AM ADT 29 August 2016

'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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 29 August 2016 Today Tonight and Tuesday At 10:00 a.m. ADT today departing ridge located over the
southeastern Marine District.

At 10:00 a.m. ADT today low 1007 mb located near the Gaspe
Peninsula.
By 3:00 a.m. ADT Tuesday deepening low 996 mb located over
Newfoundland.

At 10:00 a.m. ADT today intensifying tropical depression 8 1010
mb located at 32.8N 73.4W.
By 10:00 a.m. ADT Tuesday tropical depression 8 1010 mb located
at 34.5N 75.3W.

At 10:00 a.m. ADT today Hurricane Gaston 960 mb located at 30.9N
55.2W.
By 9:00 p.m. ADT Tuesday Hurricane Gaston 965 mb located at
32.1N 53.3W.

Marine Weather Statement

Issued 9:52 AM ADT 29 August 2016 An intensifying low pressure system approaching from Quebec will
cross the Gulf of St. Lawrence today. This will give strong to gale
force south to southwest winds ahead of the low, shifting to strong
to gale force northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for
Banquereau, Cabot Strait, Gulf Magdalen, and Anticosti.

As of 9:00 AM ADT, hurricane Gaston is located near 30.9 degrees
north and 55.2 degrees west. Maximum sustained winds are 100 knots.
Minimum central pressure is about 960 MB.

Note that Gaston is forecast to pass well south of Canadian forecast
waters.

As of 3:00 AM ADT tropical depression 8 is located near 32.8 degrees
north and 73.4 degrees west. Maximum sustained winds are 30 knots.
Minimum central pressure is about 1010 MB. It is currently moving
northwest at 9 knots.

The depression is expected to become tropical storm Hermine late
today or tonight. There is great uncertainty about the development of
the storm, and whether it will have any efect on Canadian waters.
There are some indications it may dissipate before reaching our
waters.

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