Marine Forecast

Issued 08:00 PM ADT 25 September 2017

Tonight and Tuesday.

Wind light increasing to southwest 10 to 15 knots late this evening and to southwest 15 to 20 Tuesday afternoon.

Fog patches forming this evening.


Issued 05:00 PM ADT 25 September 2017
Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 near midnight.

Extended Forecast

Issued 03:30 PM ADT 25 September 2017
Wednesday Wind variable 10 to 15 knots increasing to southwest 20 late in the day.
Thursday Wind southwest 20 knots veering to northwest 15.
Friday Wind northerly 15 to 20 knots.

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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 20 June 2017 Forecasts have ended for the season.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 8:00 PM ADT 25 September 2017 Tonight and Tuesday At 8:00 p.m. ADT tonight approaching low 1003 mb located southwest
of Labrador.

At 10:00 a.m. ADT Tuesday trough from 1000 mb low located on a
line east-west over Anticosti Island.
By 8:00 p.m. ADT Tuesday trough from 994 mb low located from the
Avalon Peninsula to Nova Scotia.

Marine Weather Statement

Issued 7:43 PM ADT 25 September 2017 At 6:00 PM ADT hurricane Lee was located near 30.5 north, 50.6 west
or about 745 nautical miles east of Bermuda. Maximum sustained winds
were 75 knots, the central pressure was 983 millibars. Lee is moving
west-southwest at about 6 knots.

Lee is not expected to affect Canadian forecast waters at this time.

At 6:00 PM ADT hurricane Maria was located near 31.7 north, 73.1 west
or about 275 nautical miles southeast of Cape Hatteras. Maximum
sustained winds were 70 knots, central pressure was 965 millibars.
Maria is moving north at 6 knots.

Maria is slowly moving northward towards Cape Hatteras then will head
northeast and approach the Southern Grand Banks late this week.
Minimal effects are expected for the Maritimes except possibly strong
winds for southernmost waters.

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