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Grand Manan


Marine Forecast

Issued 03:00 AM AST 28 February 2020

Today Tonight and Saturday.

Gale warning in effect.

Wind west 35 knots diminishing to west 30 near noon and to west 20 this evening. Wind diminishing to light overnight. Wind light Saturday.

Flurries Saturday afternoon and evening.

Temperatures near zero.


Issued 05:00 AM AST 28 February 2020
Today Tonight and Saturday. Seas 3 to 4 metres subsiding to 2 to 3 this evening and to 1 to 2 late overnight. Seas subsiding to 1 or less Saturday evening.

Extended Forecast

Issued 03:00 AM AST 28 February 2020
Sunday Wind northerly 15 to 20 knots.
Monday Wind northwest 15 to 20 knots diminishing to light.
Tuesday Wind southwest 15 to 20 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EST 27 February 2020 Today Tonight and Friday Ice free. 

[ Canadian Ice Service ]

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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 Île d'Orléans L'Assomption Trois-Rivières Airport Île aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat 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
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 27 February 2020 Today Tonight and Friday

Ice Edge

First ice edge estimated from Nova Scotia near 4430N 6335W to 4515N
6055W to 4550N 5935W to 4510N 5825W to 4635N 5750W to 4725N 5825W to
Newfoundland near 4710N 5525W. Sea ice north of the ice edge.

Second ice edge estimated from New Brunswick near 4530N 6515W to
Nova Scotia near 4510N 6445W. Sea ice east of the ice edge.

Ice Coverage

Ice free.


Warnings (In effect)

Gale warning in effect

Grand Manan

Issued 03:00 AM AST 28 February 2020

'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 28 February 2020 Today Tonight and Saturday At 3:00 a.m. AST today trough from 988 mb low located from New
Brunswick to Banquereau.
By 3:30 p.m. AST today quasi-stationary trough from 990 mb low
located on a line east-west over the northern Gulf of St. Lawrence.

At 3:00 a.m. AST Saturday trough located on a line north-south
over Georges Bank.
By 8:00 p.m. AST Saturday trough located from Grand Manan to West
Scotian Slope.

Marine Weather Statement

Issued 2:42 AM AST 28 February 2020 A low pressure system over New Brunswick will move northeast into the
Gulf of St. Lawrence this morning and then stall near Anticosti
Island by this evening. Gale to storm force easterlies ahead of the
system shift to strong to gale force southwesterlies to its south.
Winds will gradually diminish today and drop to moderate to strong
for most areas.

Marine interests are advised that storm warnings are in effect for
Banquereau, Cabot Strait and Anticosti - northern half. Gale warnings
are in effect for all remaining waters.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait - northern half, Gulf - Magdalen, Chaleur -
Miscou, and Anticosti.

St. Lawrence - St. Lawrence River Area

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