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Forecast

Marine Forecast

Issued 03:00 AM AST 16 December 2019

Today Tonight and Tuesday.

Gale warning in effect.

Wind west 45 knots diminishing to northwest 30 this morning and to northwest 20 near midnight. Wind diminishing to northwest 10 to 15 overnight and to light Tuesday morning. Wind increasing to east 10 to 15 Tuesday afternoon and to east 25 Tuesday evening.

Periods of snow or rain Tuesday evening. Visibility 1 mile or less in precipitation.

Waves

Issued 05:00 PM AST 15 December 2019
Tonight and Monday. Seas 5 to 7 metres subsiding to 3 to 4 near noon Monday and to 2 to 3 Monday evening.

Extended Forecast

Issued 03:00 AM AST 16 December 2019
Wednesday Wind northeast 25 knots.
Thursday Wind west 40 knots.
Friday Wind northwest 30 knots diminishing to north 15.

Ice Forecast

Issued 10:00 AM EST 15 December 2019 Today Tonight and Monday 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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 15 December 2019 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nova Scotia near 4540N 6130W to 4630N 6155W
to 4730N 6415W to 4850N 6335W to 4850N 6110W to 5040N 5755W to
Newfoundland near 4840N 5855W. Sea ice southwest then west then
north of the ice edge

Pointe-des-Monts to Anticosti - northern half
Pointe-des-Monts to Anticosti - southern half
Pointe a Michel to Pointe-des-Monts
Tadoussac to Pointe a Michel
Northumberland Strait
Gulf - Magdalen
Anticosti
Gulf - Port au Port
Northeast Gulf.
Open water except 5 tenths new ice along parts of the coasts.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Lurcher

Issued 03:00 AM AST 16 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 16 December 2019 Today Tonight and Tuesday At 3:00 a.m. AST today trough located over the Gulf of St. Lawrence.
By 3:30 p.m. AST today departing trough located over Newfoundland.

At 8:00 p.m. AST tonight ridge located over New England.
By 8:00 p.m. AST Tuesday ridge located over the Maritimes.

At 8:00 p.m. AST Tuesday approaching trough located west of
Georges Bank.

Marine Weather Statement

Issued 2:54 AM AST 16 December 2019 A trough extending southward over the Gulf of St. Lawrence will move
east of Newfoundland today. Gale to storm force westerlies will
gradually diminish tonight and Tuesday.

Late Tuesday, another trough will approach the region from Southern
New England. Winds will become moderate easterlies ahead of the
trough and then increase to strong southeasterlies. There is a
possibility of gale force southerlies over the Scotian Slope waters
late Tuesday.

Marine interests are advised that storm warnings are in effect for
Sable, East Scotian Slope, Laurentian Fan, Cabot Strait, Gulf -
Magdalen - northeastern half and Anticosti. Gale warnings are in
effect for all remaining waters.

In addition, freezing spray warnings are in effect for Cabot Strait
and all of the Gulf of St. Lawrence waters.

St. Lawrence - St. Lawrence River Area

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