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Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 20 March 2023

Today Tonight and Tuesday.

Wind southwesterly 20 knots diminishing to southwesterly 15 after midnight then veering to westerly 15 early Tuesday morning.

Waves

Issued 05:00 AM ADT 20 March 2023
Today Tonight and Tuesday. Seas 2 to 3 metres subsiding to 1 to 2 early this evening and to 1 or less Tuesday 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.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 20 March 2023 Today Tonight and Tuesday At 10:00 a.m. ADT today low 972 mb located north of Newfoundland.
By 3:00 a.m. ADT Tuesday departing 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 9:40 AM ADT 20 March 2023 A low pressure system north of Newfoundland will slowly move
southeastward today and tonight. Strong to gale force westerlies will
persist over the district today. Winds will gradually 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, 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 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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