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Northumberland Strait

Forecast

Marine Forecast

Issued 03:00 AM AST 12 December 2019

Today Tonight and Friday.

Gale warning in effect.

Wind light increasing to southwest 20 knots early this morning and to west 35 late this morning. Wind diminishing to west 25 early this evening and to west 15 near midnight. Wind diminishing to light overnight then increasing to south 10 to 15 near noon Friday. Wind veering to southwest 20 Friday afternoon.

Flurries today and this evening. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray beginning this morning and ending near midnight.

Temperatures minus 5 rising to plus 1 Friday evening.

Extended Forecast

Issued 03:00 AM AST 12 December 2019
Saturday Wind south 15 to 20 knots increasing to southeast 40 in the afternoon.
Sunday Wind south 30 knots increasing to southwest 40.
Monday Wind west 40 to 50 knots.

Ice Forecast

Issued 10:00 AM EST 11 December 2019 Today Tonight and Thursday Open water except 1 tenth new ice along parts of the coasts. 

[ 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 11 December 2019 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Nova Scotia near 4540N 6130W to Prince
Edward Island near 4625N 6205W. Sea ice west of the ice edge

Second ice edge estimated from Prince Edward Island near 4630N 6215W
to 4730N 6415W to 4850N 6335W to 4850N 6110W to 5050N 5805W to
Newfoundland near 5035N 5720W. Sea ice west and north of the ice
edge.

Ice Coverage

Open water except 1 tenth new ice along parts of the coasts.

Warnings

Warnings (In effect)

Gale warning in effect

Northumberland Strait

Issued 03:00 AM AST 12 December 2019

'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.

Freezing spray warning in effect

Northumberland Strait

Issued 03:00 AM AST 12 December 2019

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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 12 December 2019 Today Tonight and Friday At 10:00 a.m. AST today low 1015 mb located over eastern Anticosti
Island.
By 3:30 p.m. AST today departing low 1014 mb located east of the
Marine District.

At 10:00 a.m. AST today ridge located on a line north-south over
the Great Lakes.
By 3:30 p.m. AST Friday ridge located on a line northwest-southeast
over Laurentian Fan.

Marine Weather Statement

Issued 9:47 AM AST 12 December 2019 A low pressure system near Anticosti Island will pass east of the
marine district this afternoon. As a result strong to gale force
northwesterlies will develop across the district today and could
possibly approach storm force over northernmost waters. Winds are
expected to diminish over most waters later today and tonight as a
ridge of high pressure approaches from the west.

On Friday moderate to strong southerlies will develop over western
waters late in the day as a low pressure system approaches from the
southwest.

Marine interests are advised that gale warnings are in effect for all
waters except Fundy.

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

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