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Forecast

Marine Forecast

Issued 10:00 AM AST 19 January 2021

Today Tonight and Wednesday.

Wind northwest 20 to 25 knots diminishing to northwest 15 to 20 this afternoon then backing to west 10 to 15 late overnight. Wind increasing to westerly 20 near noon Wednesday and to northerly 25 to 30 Wednesday evening.

Showers or flurries overnight and Wednesday.

Waves

Issued 05:00 AM AST 19 January 2021
Today Tonight and Wednesday. Seas 2 to 3 metres subsiding to 1 to 2 this afternoon.

Extended Forecast

Issued 03:00 AM AST 19 January 2021
Thursday Wind northwest 20 to 25 knots diminishing to variable 10 to 15 in the morning then becoming southerly 15 late in the day.
Friday Wind variable 15 knots increasing to northerly 20.
Saturday Wind northerly 15 knots increasing to northwest 30.

Ice Forecast

Issued 10:00 AM EST 19 January 2021 Today Tonight and Wednesday Ice free. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas West Bay of Fundy - 44490 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 19 January 2021 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Nova Scotia near 4545N 6240W to Prince
Edward Island near 4600N 6240W. Sea ice west of the ice edge.

Second ice edge estimated from Prince Edward Island near 4625N 6310W
to 4715N 6405W to 4840N 6345W to 4845N 6150W to 5040N 5820W to
Newfoundland near 5035N 5720W. Sea ice west and north of the ice
edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:30 PM EST 18 January 2021

Iceberg Limit

Iceberg limit at 0000 UTC 19 Jan estimated from Newfoundland near
5120N 5534W to 5130N 5345W to 5700N 5330W to 5935N 5620W to 6430N
5530W to 6000N 5100W to 5640N 4725W then eastwards.

Western iceberg limit at 0000 UTC 19 Jan estimated from the Labrador
coast near 5142N 5628W to Newfoundland near 5129N 5613W.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 19 January 2021 Today Tonight and Wednesday At 10:00 a.m. AST today deepening low 984 mb located east of
Newfoundland.
By 3:30 p.m. AST Wednesday low 975 mb located east of Labrador.

At 10:00 a.m. AST Wednesday low 1011 mb located south of Long
Island.
By 8:00 p.m. AST Wednesday low 994 mb located south of West
Scotian Slope.

Marine Weather Statement

Issued 9:46 AM AST 19 January 2021 Strong northwesterlies will prevail across the district today as a
low pressure system remains east of Newfoundland. Colder air over the
Gulf of St. Lawrence will cause freezing spray for much of today and
tonight over northernmost waters. The northwesterlies will diminish
over southwestern waters tonight.

On Wednesday, the strong northwesterlies and freezing spray will
persist over northernmost waters as the low pressure system moves
towards the Labrador coast. Another low pressure system will deepen
southwest of Long Island Wednesday morning to lie south of West
Scotian Slope by Wednesday evening. As a result of this second low,
strong northerlies developing late in the day over southwestern
waters could possibly reach gale force over Georges Bank and West
Scotian Slope.

Marine interests are 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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