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Chaleur - Miscou

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 18 April 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind easterly 15 knots veering to southeast 15 this afternoon except southeast 25 over western sections. Wind becoming southeast 25 this evening then diminishing to southeast 15 to 20 Sunday morning. Wind veering to south 25 Sunday evening except west 25 over western sections.

Showers Sunday morning and afternoon changing to rain. Fog patches forming Sunday morning.

Temperatures plus 1 rising to plus 6 Sunday evening.

Extended Forecast

Issued 03:30 PM ADT 17 April 2026
Sunday Wind southerly 20 knots.
Monday Wind northwest 20 knots.
Tuesday Wind north 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 17 April 2026 Today Tonight and Saturday Open water except 3 tenths first-year ice along parts of the coast. 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 17 April 2026 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Cape Breton Island near 4621N 6025W to
4655N 6008W to 4742N 6124W to Gaspe Peninsula near 4846N 6410W. Sea
ice southwest of the ice edge.

Second ice edge estimated from Quebec near 4845N 6751W to 5005N
6507W to 4957N 6018W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Open water except 3 tenths first-year ice along parts of the coast.
Consolidated rotten first-year ice along parts of the coasts.

Warnings

Warnings (In effect)

Strong wind warning in effect

Chaleur - Miscou

Issued 03:00 AM ADT 18 April 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 18 April 2026 Today Tonight and Sunday At 3:00 a.m. ADT today low 1012 mb located southwest of Georges
Bank.
By 3:00 a.m. ADT Sunday dissipating low located near Browns Bank.

At 3:00 a.m. ADT today ridge located over Quebec.
By 8:00 p.m. ADT tonight ridge located east of the Avalon Peninsula.

At 10:00 a.m. ADT Sunday trough located from Quebec to New England.
By 8:00 p.m. ADT Sunday trough located from Labrador to the Gulf
of Maine.

Marine Weather Statement

Issued 2:38 AM ADT 18 April 2026 A trough of low pressure extending from a low over Northern Quebec
will slowly approach the marine district tonight and Saturday.
Increasing southerly winds will reach strong to gale force across the
region ahead of the trough.

Marine interests are advised that a gale warning is in effect for
Cabot Strait - northern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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