Language selection

Weather shortcuts

Chaleur - Miscou - western half

Forecast

Marine Forecast

Issued 03:00 AM ADT 19 July 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind south 20 knots diminishing to variable 10 to 15 early this morning then increasing to west 30 this afternoon. Wind diminishing to west 15 Monday evening.

Rain and fog patches ending this afternoon with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM ADT 19 July 2026
Tuesday Wind southwest 10 to 15 knots backing to south 20 in the afternoon.
Wednesday Wind south 20 knots increasing to southeast 30.
Thursday Wind south 25 knots.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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 - Quai de St-Jean 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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Chaleur - Miscou - western half

Issued 03:00 AM ADT 19 July 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 19 July 2026 Today Tonight and Monday At 3:00 a.m. ADT today low 993 mb located over northwestern New
Brunswick.
By 8:00 p.m. ADT tonight low 986 mb located near Anticosti Island.

At 3:30 p.m. ADT Monday departing low 988 mb located over Labrador.

Marine Weather Statement

Issued 2:27 AM ADT 19 July 2026 A low pressure system over Northwestern New Brunswick will move
northeastward to lie over Labrador by Monday afternoon. Strong to
gale force south to southeasterlies will veer and diminish over
southern waters to moderate to strong westerlies Sunday night.
Over the Northern Gulf of St. Lawrence waters, winds will be strong
to near gale force westerlies Sunday night and Monday.

Marine interests are advised gale warnings are in effect for
Banquereau, Cabot Strait, Gulf-Magdalen and Anticosti - eastern half.

St. Lawrence - St. Lawrence River Area

Another Region

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Thunderstorm Outlooks

Find the Thunderstorm Outlook for your area.

Date modified: