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Chaleur - Miscou

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 09 December 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind west 35 knots diminishing to west 25 near noon and to southwest 15 overnight. Wind diminishing to light Wednesday morning.

Flurries Wednesday morning.

Freezing spray warning in effect.

Freezing spray ending overnight.

Temperatures near minus 7.

Extended Forecast

Issued 03:00 AM AST 09 December 2025
Thursday Wind southeast 25 knots becoming west 25 in the afternoon.
Friday Wind west 35 knots.
Saturday Wind west 25 knots.

Ice Forecast

Issued 10:00 AM EST 8 December 2025 Today Tonight and Tuesday Open water except 5 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 8 December 2025 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N
6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W.
Sea ice within the ice edge.

Second ice edge estimated from Nova Scotia near 4546N 6254W to 4558N
6310W to Prince Edward Island near 4558N 6250W. Sea ice west of the
ice edge.

Third ice edge estimated from Prince Edward Island near 4630N 6319W
to 4741N 6431W to 4827N 6402W to 4904N 6404W to 4925N 6516W to 4916N
6703W to 4956N 6635W to Anticosti Island near 4924N 6336W. Sea ice
west then north of the ice edge.

Fourth ice edge estimated from Anticosti Island near 4949N 6317W to
4946N 5954W to Quebec near 5125N 5736W. Sea ice north of the ice
edge.

Ice Coverage

Open water except 5 tenths new ice along parts of the coast.

Warnings

Warnings (In effect)

Gale warning in effect

Chaleur - Miscou

Issued 03:00 AM AST 09 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

Issued 03:00 AM AST 09 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 3:00 AM AST 9 December 2025 Today Tonight and Wednesday At 3:00 a.m. AST today departing low 975 mb located east of
Newfoundland.

At 3:00 a.m. AST today ridge located over New England.
By 8:00 p.m. AST tonight ridge located over the southern Marine
District.

At 8:00 p.m. AST tonight approaching trough located over New
England.

Marine Weather Statement

Issued 2:50 AM AST 9 December 2025 A low pressure system east of Newfoundland will continue departing
today. Strong to gale force northwesterlies will diminish slightly as
the low pulls away.

A trough of low pressure will approach tonight and cross the marine
district Wednesday. Strong to potentially gale force southwesterlies
will develop ahead of this feature.

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

Freezing spray warnings are in effect for Grand Manan, Lurcher,
southwestern shore, eastern shore, Fourchu, Cabot Strait, and all
Gulf of St. Lawrence waters.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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