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Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 03 April 2025

Today Tonight and Friday.

Wind light increasing to south 20 knots this morning and to southwest 25 to 30 early this afternoon. Wind veering to west 20 to 25 overnight then to northwest 25 Friday afternoon.

Periods of rain this afternoon and this evening. Fog patches forming this afternoon and dissipating Friday morning.

Waves

Issued 05:00 AM ADT 03 April 2025
Today Tonight and Friday. Seas 1 to 2 metres building to 3 late this afternoon then subsiding to 2 Friday morning.

Extended Forecast

Issued 03:00 AM ADT 03 April 2025
Saturday Wind northeast 20 to 25 knots.
Sunday Wind south 30 knots.
Monday Wind southwest 25 knots diminishing to northerly 20.

Ice Forecast

Issued 10:00 AM EDT 2 April 2025 Today Tonight and Thursday Ice free. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport L'Isle-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 2 April 2025 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Cape Breton near 4620N 6017W to 4656N
6003W to 4753N 6116W to 4754N 6327W to Anticosti Island near 4923N
6335W. Sea ice south and west of the ice edge.

Second ice edge estimated from Anticosti Island near 4948N 6315W to
4948N 5942W to 5031N 5752W to Newfoundland near 4847N 5846W. Sea ice
north and east of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 3 April 2025 Today Tonight and Friday At 3:00 a.m. ADT today ridge located on a line northwest-southeast
over the Maritimes.
By 8:00 p.m. ADT tonight ridge located southeast of the Marine
District.

At 8:00 p.m. ADT tonight low 999 mb located over Quebec.
By 10:00 a.m. ADT Friday low 1006 mb located over Banquereau.

Marine Weather Statement

Issued 2:42 AM ADT 3 April 2025 Marine interests are advised that all warnings have ended.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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