Grand Manan


Marine Forecast

Issued 03:00 AM AST 13 December 2018

Today Tonight and Friday.

Wind north 20 knots backing to northwest 10 to 15 this morning then to west 10 to 15 this afternoon. Wind backing to southwest 15 to 20 Friday morning then increasing to southwest 25 to 30 Friday afternoon.

Showers beginning Friday morning.

Freezing spray warning in effect.

Freezing spray ending this morning.

Temperatures minus 5 rising to plus 7 Friday evening.


Issued 05:00 AM AST 13 December 2018
Today Tonight and Friday. Seas 1 metre building to 2 Friday afternoon.

Extended Forecast

Issued 03:00 AM AST 13 December 2018
Saturday Wind southwest 30 knots diminishing to northwest 20 in the afternoon.
Sunday Wind northeast 10 to 15 knots.
Monday Wind east 15 knots backing to north 20.

Ice Forecast

Issued 10:00 AM EST 12 December 2018 Today Tonight and Thursday 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 12 December 2018 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Nova Scotia near 4540N 6215W to 4630N
6145W to 4705N 6400W to 4845N 6355W to 4920N 6450W to 4925N 6645W to
5010N 6520W to 4830N 6205W to 5055N 5740W to Newfoundland near 5010N
5735W. Sea ice west and north of the ice edge.

Second ice edge estimated from 4745N 6130W to 4715N 6215W to 4705N
6155W to 4735N 6110W to 4745N 6130W. Sea ice within the ice edge.

Ice Coverage

Ice free.


Warnings (In effect)

Freezing spray warning in effect

Grand Manan

Issued 03:00 AM AST 13 December 2018

Moderate or severe freezing spray is 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 3:00 AM AST 13 December 2018 Today Tonight and Friday At 3:00 a.m. AST today departing low 956 mb located east of the
Grand Banks.

At 3:00 a.m. AST today ridge located on a line north-south over
New England.
By 3:00 a.m. AST Friday ridge located on a line north-south over
the western Marine District.

At 8:00 p.m. AST Friday approaching trough located east of the
Great Lakes.

Marine Weather Statement

Issued 2:57 AM AST 13 December 2018 An intense low pressure system east of the Grand Banks will continue
to move northeastward away from the district today. Strong to gale
force northerly winds in its wake will gradually diminish today over
western waters and tonight over Easter waters. On Friday a ridge of
high pressure will build over southwestern waters and then move south
of the Scotian Slope. Moderate to strong west to southwest winds will
prevail north of this system.

Cold air will give freezing spray to the northern half of the marine
district today. Milder temperatures are expected with the return of
the westerlies tonight and Friday.

Marine interests are advised that gale warnings are in effect for
eastern shore, Sable, East Scotian Slope, Fourchu, Laurentian
Fan-western half, Cabot Strait, Northumberland Strait-eastern half
and Gulf-Magdalen.

In addition, freezing spray warnings are in effect for Fundy, Grand
Manan, Lurcher, southwestern shore, eastern shore, Fourchu, Cabot
Strait, Northumberland Strait, Gulf-Magdalen, Chaleur-Miscou and

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