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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 09 December 2025

Tonight and Wednesday.

Gale warning in effect.

Wind west 25 to 35 knots diminishing to westerly 20 this evening and to light early Wednesday morning. Wind increasing to northeast 10 to 15 Wednesday afternoon and to northeast 15 to 25 Wednesday evening.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending near midnight.

Temperatures near minus 6.

Waves

Issued 03:00 PM EST 09 December 2025
Tonight and Wednesday. Seas 2 to 3 metres subsiding to 1 to 2 this evening and to 1 or less Wednesday morning.

Extended Forecast

Issued 06:00 AM EST 09 December 2025
Thursday Wind northeasterly 25 knots backing to northwest 20 in the afternoon.
Friday Wind northwest 20 knots increasing to northwest 20 to 30.
Saturday Wind westerly 15 to 25 knots.

Ice Forecast

Issued 10:00 AM EST 9 December 2025 Today Tonight and Wednesday Open water except 2 tenths grey 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 9 December 2025 Today Tonight and Wednesday

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 4551N 6201W to
Prince Edward Island near 4621N 6211W. Sea ice west of the ice edge.

Third ice edge estimated from Prince Edward Island near 4628N 6231W
to 4640N 6329W 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 5106N 5804W to Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.

Ice Coverage

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

Warnings

Warnings (In effect)

Gale warning in effect

Pointe-des-Monts to Anticosti - northern half

Issued 3:00 PM EST 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

Pointe-des-Monts to Anticosti - northern half

Issued 3:00 PM EST 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 PM EST 9 December 2025 Tonight and Wednesday At 3:00 p.m. EST today ridge located on a line north-south over
Saguenay River.
By 7:00 p.m. EST Wednesday ridge located on a line
northwest-southeast over Anticosti Island.

At 3:00 p.m. EST today low 999 mb located near Lake Superior.
By 7:00 p.m. EST Wednesday low 989 mb located over Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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