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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 04 December 2025

Tonight and Friday.

Gale warning in effect.

Wind northwesterly 35 to 45 knots diminishing to northwest 25 to 35 near noon Friday and to northwest 15 to 25 Friday evening.

Flurries ending near midnight. Visibility as low as 1 mile in flurries.

Freezing spray warning in effect.

Freezing spray.

Temperatures minus 2 falling to minus 9 Friday morning.

Waves

Issued 03:00 PM EST 04 December 2025
Tonight and Friday. Seas 2 to 3 metres subsiding to 1 to 2 Friday afternoon.

Extended Forecast

Issued 06:00 AM EST 04 December 2025
Saturday Wind northwesterly 10 to 20 knots becoming light in the morning then becoming southeast 10 to 15 late in the day.
Sunday Wind southwest 10 to 15 knots increasing to westerly 20 to 30.
Monday Wind west 20 to 30 knots increasing to westerly 30 to 40.

Ice Forecast

Issued 10:00 AM EST 4 December 2025 Today Tonight and Friday 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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 4 December 2025 Today Tonight and Friday

Ice Edge

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

Pointe-des-Monts to Anticosti - northern half

Issued 3:00 PM EST 04 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 04 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 4 December 2025 Tonight and Friday At 3:00 p.m. EST today intensifying low 996 mb located over the
Gulf of St. Lawrence.
By 7:00 p.m. EST Friday low 959 mb located east of Newfoundland.

At 3:00 p.m. EST today ridge located on a line northeast-southwest
over Lake Huron.
By 7:00 p.m. EST Friday ridge located on a line north-south over
Saguenay River.

At 7:00 p.m. EST Friday approaching trough located on a line
northeast-southwest over Lake Superior.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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