Grand Manan


Marine Forecast

Issued 03:00 AM AST 14 December 2017

Today Tonight and Friday.

Gale warning in effect.

Wind westerly 35 to 40 knots diminishing to westerly 30 near noon and to west 20 Friday evening.

Flurries ending Friday afternoon. Visibility 1 mile or less in flurries.

Risk of freezing spray today tonight and Friday morning.

Temperatures near minus 3.


Issued 05:00 PM AST 13 December 2017
Tonight and Thursday. Seas 2 to 3 metres building to 3 to 5 this evening then subsiding to 2 to 3 Thursday evening.

Extended Forecast

Issued 03:00 AM AST 14 December 2017
Saturday Wind northerly 15 knots increasing to northwest 30 in the afternoon.
Sunday Wind northwest 25 to 30 knots diminishing to northwest 15 to 20.
Monday Wind variable 10 to 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 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 EST 13 December 2017 Today Tonight and Thursday

Warnings (In effect)

Gale warning in effect

Grand Manan

Issued 03:00 AM AST 14 December 2017

'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 AST 14 December 2017 Today Tonight and Friday At 3:00 a.m. AST today deepening low 966 mb located over
southwestern Labrador.
By 10:00 a.m. AST Friday low 957 mb located over northern Labrador.

At 10:00 a.m. AST today low 996 mb located southeast of the
Great Lakes.
By 8:00 p.m. AST tonight departing low 991 mb located over
Laurentian Fan.

At 3:00 a.m. AST Friday high 1021 mb located west of Long Island.
By 3:30 p.m. AST Friday high 1017 mb located west of Georges Bank.

Marine Weather Statement

Issued 2:48 AM AST 14 December 2017 An intense low pressure system over Southwestern Labrador will move
over Northern Labrador by Friday morning. Gale force west to
southwest winds across the district are still expected to
occasionally reach storm force this morning over eastern shore,
Sable, Fourchu, Banquereau, and Cabot Strait.

A second low pressure system approaching from the Great Lakes will
quickly move across the slope waters this afternoon before tracking
across Laurentian Fan this evening. Gales are expected around the
second low however a brief period of southerly storm force winds is
possible over the slope waters depending on the track and intensity
of this low.

Marine interests are advised that storm warnings are in effect for
eastern shore, Sable, Fourchu, Banquereau, and Cabot Strait.
Gale warnings are in effect for all remaining waters.

Marine interests are also advised that freezing spray warnings are in
effect for Northumberland Strait, Gulf-Magdalen, Chaleur-Miscou, and

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