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Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 20 March 2023

Today Tonight and Tuesday.

Wind west 30 knots diminishing to southwesterly 20 near noon and to southwesterly 15 after midnight. Wind veering to westerly 15 Tuesday morning.

Waves

Issued 05:00 AM ADT 20 March 2023
Today Tonight and Tuesday. Seas 3 to 4 metres subsiding to 2 to 3 near noon and to 1 to 2 this evening.

Extended Forecast

Issued 03:00 AM ADT 20 March 2023
Wednesday Wind northwest 15 knots diminishing to light in the afternoon.
Thursday Wind southeast 15 knots increasing to southerly 25.
Friday Wind southwest 35 knots diminishing to northwest 20.

Ice Forecast

Issued 10:00 AM EDT 19 March 2023 Today Tonight and Monday 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 Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac 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 EDT 19 March 2023 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nova Scotia near 4557N 5947W to 4620N 5930W
to 4845N 6230W to 5000N 5845W to 4730N 5940W to Newfoundland near
4711N 5528W. Sea ice west then northeast of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 3:07 PM EDT 19 March 2023

Iceberg Limit

Iceberg limit at 0000 UTC 20 Mar estimated from Newfoundland near
4655N 5555W to 4600N 5525W to 4515N 5000W to 4535N 4610W to 4700N
4505W to 4850N 4535W to 5835N 5540W to 6005N 5015W to 5900N 4815W to
5820N 4520W then eastwards.

Western iceberg limit at 0000 UTC 20 Mar estimated from Quebec near
5030N 5950W to Newfoundland near 4940N 5755W.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 20 March 2023 Today Tonight and Tuesday At 3:00 a.m. ADT today low 976 mb located over southern Labrador
Coast.
By 3:00 a.m. ADT Tuesday low 982 mb located east of Newfoundland.

At 3:30 p.m. ADT today ridge located from the East Coast of the
U.S. to West Scotian Slope.
By 3:30 p.m. ADT Tuesday ridge located from the East Coast of the
U.S. to Laurentian Fan.

Marine Weather Statement

Issued 2:33 AM ADT 20 March 2023 A low pressure system located near the South Labrador Coast will
slowly move southeastward today and tonight. Strong to gale force
westerlies will persist over the district today. Winds will gradually
start to diminish from west to east overnight tonight and Tuesday as
the low moves farther east of Newfoundland.

Marine interests are advised that gale warnings are in effect for
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope, Fourchu, Banquereau, Laurentian Fan, Cabot Strait, Gulf -
Magdalen, Chaleur - Miscou, and Anticosti.

Marine interests are also advised that freezing spray warnings are in
effect for Fundy, Grand Manan, 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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