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Marine Forecast

Issued 03:00 AM ADT 11 April 2025

Today Tonight and Saturday.

Wind light increasing to east 10 to 15 knots early this morning then backing to northeast 15 to 20 this afternoon. Wind increasing to northeast 20 to 25 Saturday evening.

Waves

Issued 05:00 AM ADT 11 April 2025
Today Tonight and Saturday. Seas 1 metre or less building to 1 to 2 this afternoon and to 2 to 3 near noon Saturday.

Extended Forecast

Issued 03:00 AM ADT 11 April 2025
Sunday Wind northeast 20 to 25 knots increasing to northeast 30 in the afternoon.
Monday Wind northerly 25 to 30 knots.
Tuesday Wind variable 15 knots increasing to southwest 20.

Ice Forecast

Issued 10:00 AM EDT 10 April 2025 Today Tonight and Friday 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 10 April 2025 Today Tonight and Friday

Ice Edge

First ice edge estimated from New Brunswick near 4622N 6434W to
4831N 6351W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.

Second ice edge estimated from Quebec near 4904N 6646W to 5005N
6518W to 4936N 5930W to Newfoundland near 5022N 5732W. Sea ice north
of the ice edge.

Third ice edge estimated from 4744N 6112W to 4753N 6132W to 4711N
6216W to 4707N 6144W to 4744N 6112W. Sea ice within the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:48 PM EDT 10 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Apr estimated from Newfoundland near
4658N 5404W to 4315N 5115W to 4310N 4610W to 4630N 4000W to 5610N
4930W to 5900N 5620W to 6020N 5505W to 5845N 4935W then eastwards.

Western iceberg limit at 0000 UTC 11 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 11 April 2025 Today Tonight and Saturday At 10:00 a.m. ADT today quasi-stationary ridge located on a line
east-west over the Marine District.

At 10:00 a.m. ADT today quasi-stationary trough located south of
the Marine District.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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