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Chaleur - Miscou - western half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 05 December 2025

Today Tonight and Saturday.

Gale warning in effect.

Wind northwest 35 knots diminishing to west 30 early this afternoon and to west 20 early this evening. Wind diminishing to light early Saturday morning then becoming south 15 Saturday evening.

Freezing spray warning in effect.

Freezing spray ending overnight.

Temperatures near minus 7.

Extended Forecast

Issued 03:00 AM AST 05 December 2025
Sunday Wind southerly 20 knots veering to west 20 in the morning.
Monday Wind northwest 15 knots increasing to northwest 25.
Tuesday Wind west 25 knots diminishing to southwest 15.

Ice Forecast

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday Open water except 2 tenths new ice along parts of the coast. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4705N 6450W to
4758N 6416W to Gaspe Peninsula near 4830N 6413W. Sea ice east of the
ice edge.

Second ice edge estimated from Gaspe Peninsula near 4856N 6712W to
4956N 6635W to 4958N 6014W to Quebec near 5125N 5737W. Sea ice north
of the ice edge.

Ice Coverage

Open water except 2 tenths new ice along parts of the coast.

Warnings

Warnings (In effect)

Gale warning in effect

Chaleur - Miscou - western half

Issued 10:00 AM AST 05 December 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Freezing spray warning in effect

Chaleur - Miscou - western half

Issued 10:00 AM AST 05 December 2025

Moderate or severe freezing spray is 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 10:00 AM AST 5 December 2025 Today Tonight and Saturday At 10:00 a.m. AST today intensifying low 982 mb located over
eastern Newfoundland.
By 8:00 p.m. AST tonight low 966 mb located east of Newfoundland.

At 10:00 a.m. AST today ridge located over New England.
By 10:00 a.m. AST Saturday ridge located over the central Marine
District.

Marine Weather Statement

Issued 9:55 AM AST 5 December 2025 An intense low pressure system over Northeastern Newfoundland will
slowly track eastward to lie east of Newfoundland this evening while
a ridge of high pressure over New England will move to lie over the
western marine district tonight. Gale to storm force northwesterlies
are expected between these two features.

Marine interests are advised that storm warnings are in effect for
Banquereau, Cabot Strait, Gulf-Magdalen - northeastern half, and
Anticosti - southeastern half. Gale warnings are in effect for
remaining waters except Fundy, Grand Manan, Lurcher, Browns Bank,
Georges Bank, West Scotian Slope, southwestern shore and LaHave Bank.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except Lurcher, Browns Bank, Georges Bank, West
Scotian Slope, East Scotian Slope, and Laurentian Fan.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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