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Gulf - Magdalen

Warnings

Forecast

Marine Forecast

Issued 08:00 PM AST 12 December 2019

Tonight and Friday.

Gale warning in effect.

Wind westerly 40 knots diminishing to northwest 30 late this evening and to west 20 late overnight. Wind backing to southwest 10 to 15 Friday morning then increasing to south 25 late Friday afternoon.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending Friday morning.

Low tonight minus 8. High Friday plus 1.

Waves

Issued 05:00 PM AST 12 December 2019

Gulf - Magdalen - northern half

Tonight and Friday. Seas 4 to 6 metres subsiding to 3 to 4 late this evening and to 2 to 3 late overnight. Seas subsiding to 1 to 2 Friday morning and to 1 or less Friday evening.

Gulf - Magdalen - southern half

Tonight and Friday. Seas 3 to 5 metres subsiding to 2 to 3 late overnight and to 1 to 2 Friday morning. Seas subsiding to 1 or less Friday afternoon then building to 1 to 2 Friday evening.

Extended Forecast

Issued 03:30 PM 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 12 December 2019 Today Tonight and Friday Open water except 3 tenths new ice along parts of the coasts. 

[ Canadian Ice Service ]

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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 2019 Today Tonight and Friday

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 3 tenths new ice along parts of the coasts.

 

Iceberg Bulletin

Issued 11:00 AM EST 12 December 2019

Iceberg Limit

Iceberg limit at 0000 UTC 13 Dec estimated from the Labrador coast
near 5145N 5622W to 5145N 5500W to 5230N 5400W to 5445N 5400W to
5800N 5700W to 5900N 5700W to 6000N 5300W to 5800N 4900W then
eastwards.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Magdalen

Issued 8:00 PM 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

Gulf - Magdalen

Issued 8:00 PM 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 8:00 PM AST 12 December 2019 Tonight and Friday At 8:00 p.m. AST tonight departing trough located on a line
east-west over the northern Gulf of St. Lawrence.

At 8:00 p.m. AST tonight ridge located on a line north-south over
New England.
By 3:30 p.m. AST Friday ridge located on a line north-south over
Nova Scotia.

At 8:00 p.m. AST Friday approaching low 1015 mb located near
Cape Hatteras.

Marine Weather Statement

Issued 7:50 PM AST 12 December 2019 An east-west trough over the Northern Gulf of St. Lawrence will move
away overnight ahead of a ridge approaching from New England. Between
these features strong to gale force northwesterlies persist across
the district and could possibly approach storm force over
northernmost waters and easternmost waters. Winds are expected to
diminish over most waters by tonight as the ridge of 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
Banquereau, Laurentian Fan, Cabot Strait, Gulf - Magdalen, Chaleur -
Miscou and Anticosti.

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

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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