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Marine Forecast

Issued 10:00 AM ADT 11 April 2021

Today Tonight and Monday.

Wind easterly 15 knots becoming variable 10 to 15 near noon then increasing to northeasterly 20 to 25 after midnight. Wind northeasterly 20 to 25 Monday.

Waves

Issued 05:00 AM ADT 11 April 2021
Today Tonight and Monday. Seas 1 to 2 metres subsiding to 1 or less this afternoon then building to 1 to 2 Monday morning.

Extended Forecast

Issued 03:00 AM ADT 11 April 2021
Tuesday Wind northeasterly 25 knots.
Wednesday Wind northerly 15 to 20 knots diminishing to variable 10 to 15.
Thursday Wind variable 10 to 15 knots increasing to easterly 20.

Ice Forecast

Issued 10:00 AM EDT 11 April 2021 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 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 EDT 11 April 2021 Today Tonight and Monday

Ice Edge

First ice edge estimated from Nova Scotia near 4544N 6242W to 4631N
6147W to 4643N 6336W to Quebec near 4845N 6410W. Sea ice west and
south of the ice edge.

Second ice edge estimated from Quebec near 5005N 6146W to 4954N
6000W to 5107N 5741W to Newfoundland near 5022N 5732W. Sea ice east
and north of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 11 April 2021 Today Tonight and Monday At 10:00 a.m. ADT today ridge located from New Brunswick to East
Scotian Slope.
By 8:00 p.m. ADT tonight weakening ridge located over the
southwestern Marine District.

At 3:30 p.m. ADT today low 998 mb located over Banquereau.
By 10:00 a.m. ADT Monday low 998 mb located south of Laurentian Fan.

Marine Weather Statement

Issued 9:50 AM ADT 11 April 2021 A low pressure system near Southeastern Newfoundland will move to lie
over Banquereau this afternoon then eventually south of Laurentian
Fan Monday morning. Winds increase to strong to gale force
northeasterly north of the low.

Marine interests are advised that gale warnings are in effect for
Gulf-Magdalen - northeastern half and Anticosti - eastern half.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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