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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 05 December 2025

Today Tonight and Saturday.

Storm warning in effect.

Wind northwest 40 to 50 knots diminishing to northwest 30 to 40 near noon and to northwest 20 to 30 early this evening. Wind diminishing to northwest 10 to 20 near midnight then becoming light overnight. Wind becoming southerly 15 near noon Saturday.

Flurries ending near midnight. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending near midnight.

Temperatures minus 9 rising to minus 4 Saturday evening.

Waves

Issued 03:00 AM EST 05 December 2025
Today Tonight and Saturday. Seas 3 to 4 metres subsiding to 2 to 3 this afternoon and to 1 to 2 this evening. Seas subsiding to 1 or less overnight.

Extended Forecast

Issued 06:00 PM EST 04 December 2025
Saturday Wind northwest 10 to 15 knots becoming southerly 10 to 15 in the afternoon.
Sunday Wind southwest 10 to 20 knots increasing to westerly 20 to 30.
Monday Wind west 15 to 25 knots increasing to west 25 to 35.

Ice Forecast

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

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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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.

Warnings

Warnings (In effect)

Storm warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 03:00 AM EST 05 December 2025

'Storm' force winds of 48 to 63 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.

Freezing spray warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 03:00 AM EST 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 3:00 AM EST 5 December 2025 Today Tonight and Saturday At 3:00 a.m. EST today intensifying low 985 mb located over
Newfoundland.
By 7:00 p.m. EST tonight low 961 mb located east of Newfoundland.

At 3:00 a.m. EST today ridge located on a line north-south over
Montréal.
By 7:00 p.m. EST Saturday ridge located on a line north-south over
the Gulf of St. Lawrence.

At 7:00 p.m. EST tonight trough located on a line
northeast-southwest over Lake Superior.
By 7:00 p.m. EST Saturday trough located on a line
northeast-southwest over Lake Saint-Jean.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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