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Anticosti - western half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 11 December 2019

Today Tonight and Thursday.

Gale warning in effect.

Wind northwest 30 knots backing to westerly 20 to 25 this afternoon then diminishing to northwest 15 late this evening. Wind becoming variable 10 to 15 late overnight then increasing to northwest 40 Thursday morning with gusts to 50 in the Honguedo Strait. Wind diminishing to northwest 35 Thursday afternoon.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending this evening. Freezing spray beginning Thursday morning.

Temperatures minus 5 falling to minus 10 Thursday evening.

Waves

Issued 05:00 AM AST 11 December 2019

Anticosti - northern half

Today Tonight and Thursday. Seas 2 to 3 metres building to 3 to 5 early this morning then subsiding to 2 to 3 near noon. Seas subsiding to 1 to 2 this evening and to 1 or less late overnight then building to 2 Thursday afternoon.

Anticosti - southern half

Today Tonight and Thursday. Seas 2 to 3 metres building to 3 to 5 early this morning then subsiding to 1 to 2 this afternoon. Seas building to 2 to 3 Thursday morning and to 3 to 5 Thursday afternoon.

Extended Forecast

Issued 03:00 AM AST 11 December 2019
Friday Wind northwest 15 to 20 knots diminishing to light in the morning then increasing to southerly 15 to 20 in the afternoon.
Saturday Wind southeast 15 to 20 knots increasing to southeast 30 to 40.
Sunday Wind southeast 25 to 35 knots veering to southwest 35.

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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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.

 

Iceberg Bulletin

Issued 11:00 AM EST 11 December 2019

Iceberg Limit

Iceberg limit at 0000 UTC 12 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

Anticosti - western half

Issued 10:00 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.

Freezing spray warning in effect

Anticosti - western half

Issued 10:00 AM AST 11 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 11 December 2019 Today Tonight and Thursday At 10:00 a.m. AST today trough located from Georges Bank to the
Avalon Peninsula.
By 3:00 a.m. AST Thursday departing 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 9:45 AM AST 11 December 2019 A trough of low pressure from Georges Bank to the Avalon Peninsula
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.

St. Lawrence - St. Lawrence River Area

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