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Forecast

Marine Forecast

Issued 03:00 AM AST 11 December 2019

Today Tonight and Thursday.

Gale warning in effect.

Wind northwest 25 to 30 knots veering to north 20 to 25 this morning then diminishing to north 10 to 15 this afternoon. Wind backing to west 15 late this evening then increasing to northwest 35 overnight. Wind diminishing to northwest 25 Thursday morning and to northwest 15 Thursday evening.

Rain becoming periods of snow or rain this morning and ending this evening.

Temperatures plus 10 falling to zero Thursday evening.

Waves

Issued 05:00 AM AST 11 December 2019
Today Tonight and Thursday. Seas 3 to 4 metres subsiding to 2 to 3 this afternoon then building to 3 to 5 late overnight. Seas subsiding to 2 to 3 Thursday afternoon.

Extended Forecast

Issued 03:00 AM AST 11 December 2019
Friday Wind southeast 10 to 15 knots increasing to southeast 15 to 20 in the afternoon.
Saturday Wind southeast 25 knots increasing to south 35 to 45.
Sunday Wind southwest 35 knots veering to west 45.

Ice Forecast

Issued 10:00 AM EST 10 December 2019 Today Tonight and Wednesday 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 10 December 2019 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from New Brunswick near 4545N 6205W 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

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Lurcher

Issued 03:00 AM AST 11 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 11 December 2019 Today Tonight and Thursday At 3:00 a.m. AST today trough located from the Gulf of Maine
to Labrador.
By 3:00 a.m. AST Thursday trough located southeast of the Marine
District.

At 3:00 a.m. AST Thursday ridge located on a line north-south over
the Great Lakes.
By 8:00 p.m. AST Thursday approaching ridge located on a line
north-south over Maine.

Marine Weather Statement

Issued 2:46 AM AST 11 December 2019 A trough of low pressure from the Gulf of Maine to Labrador will move
to eventually lie southeast of the marine district tonight. Strong to
gale force southwesterlies ahead of the trough shift to generally
strong northwesterlies behind it.

On Thursday morning the northwesterlies will increase to gale force
across the district and could possibly approach storm force over
northernmost waters. Winds are expected to diminish somewhat over
most waters later on Thursday as a ridge of high pressure approaches
from the west.

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

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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