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Chaleur - Miscou - eastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 12 April 2026

Today Tonight and Monday.

Wind northwest 20 to 25 knots diminishing to northwest 15 this afternoon and to light this evening. Wind increasing to south 15 Monday morning and to south 25 near noon Monday. Wind diminishing to south 15 Monday evening.

Scattered flurries ending late this morning. Showers Monday afternoon and evening. Mist forming Monday evening. Visibility 1 mile or less in showers and in mist.

Temperatures near zero.

Extended Forecast

Issued 03:00 AM ADT 12 April 2026
Tuesday Wind variable 10 to 15 knots.
Wednesday Wind light becoming southeast 15 knots.
Thursday Wind southwest 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 11 April 2026 Today Tonight and Sunday Open water. Consolidated rotten first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 11 April 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Cape Breton Island near 4607N 5949W to 4606N
5926W to 4712N 5933W to Newfoundland near 4753N 5924W. Sea ice west
of the ice edge.

Ice Coverage

Open water. Consolidated rotten first-year ice along parts of the
coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 12 April 2026 Today Tonight and Monday At 3:00 a.m. ADT today departing low 1004 mb located over western
Newfoundland.

At 3:30 p.m. ADT today approaching ridge located west of the
Marine District.

At 8:00 p.m. ADT Monday approaching low 1000 mb located near the
St. Lawrence River.

Marine Weather Statement

Issued 2:33 AM ADT 12 April 2026 A low pressure system over Western Newfoundland will continue to pull
away from the marine district with a building ridge behind. Strong to
gale force northwesterlies will continue over eastern waters today in
the wake of the low.

Marine interests are advised that gale warnings are in effect for
Fourchu, Banquereau, Laurentian Fan, Cabot Strait, Gulf-Magdalen -
northeastern half, and Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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