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Chaleur - Miscou - eastern half

Forecast

Marine Forecast

Issued 10:00 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 early Monday morning and to south 25 near noon Monday. Wind diminishing to south 15 Monday evening.

Showers Monday afternoon and evening. Fog patches forming Monday evening.

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 12 April 2026 Today Tonight and Monday Open water. Consolidated rotten first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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Weather Conditions

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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 12 April 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Cape Breton Island near 4607N 5949W to 4631N
5919W to 4844N 6156W to 4919N 6025W to Newfoundland near 4753N
5924W. Sea ice west then northeast 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 10:00 AM ADT 12 April 2026 Today Tonight and Monday At 10:00 a.m. ADT today low 999 mb located over eastern
Newfoundland.
By 8:00 p.m. ADT tonight low 992 mb located east of Newfoundland.

At 10:00 a.m. ADT today ridge located west of the Marine District.
By 10:00 a.m. ADT Monday departing ridge located over the
southeastern Marine District.

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

Marine Weather Statement

Issued 9:44 AM ADT 12 April 2026 A low pressure system over Eastern Newfoundland will slowly pull away
from the marine district by tonight. 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, and Gulf-Magdalen
- northeastern half.

St. Lawrence - St. Lawrence River Area

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