Northumberland Strait


Marine Forecast

Issued 10:00 AM ADT 25 September 2017

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind light becoming southeast 10 to 15 knots early this evening then veering to southwest 15 near midnight. Wind increasing to northerly 20 to 25 Tuesday evening.

A few showers beginning Tuesday afternoon.

Extended Forecast

Issued 03:00 AM ADT 25 September 2017
Wednesday Wind easterly 10 to 15 knots becoming light in the afternoon.
Thursday Wind southwest 25 knots veering to northwest 25 to 30.
Friday Wind northwest 25 to 30 knots diminishing to north 15.

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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.

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 10:00 AM ADT 25 September 2017

'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 25 September 2017 Today Tonight and Tuesday At 10:00 a.m. ADT today ridge located on a line northwest-southeast
over the eastern Marine District.
By 8:00 p.m. ADT tonight ridge located on a line northwest-southeast
over Newfoundland.

At 8:00 p.m. ADT tonight low 1004 mb located west of Labrador.
By 10:00 a.m. ADT Tuesday low 1000 mb located over northern

Marine Weather Statement

Issued 9:52 AM ADT 25 September 2017 At 9:00 AM ADT hurricane Lee was located near 31.1 north, 49.6 west
or about 772 nautical miles east of Bermuda. Maximum sustained winds
were 80 knots, the central pressure was 980 millibars. Lee is nearly

Lee is drifting slowly east-southeastward and is not expected to
affect the marine district of Atlantic Canada at this time.

At 9:00 AM ADT hurricane Maria was located near 30.8 north, 73.0 west
or about 327 nautical miles south-southeast of Cape Hatteras. Maximum
sustained winds were 65 knots, central pressure was 961 millibars.
Maria is moving north at 6 knots.

Maria is slowly moving northward and is expected to enter the
Canadian Hurricane Centre response zone by late Thursday or Friday
morning. Minimal effects are expected except possibly strong winds
for southernmost waters.

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