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Anticosti

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 18 January 2026

Today Tonight and Monday.

Wind light becoming southerly 15 knots near noon then diminishing to light late this evening. Wind increasing to northeast 15 early Monday morning then backing to north 20 near noon Monday. Wind backing to west 15 Monday evening.

Flurries this afternoon tonight and Monday. Visibility 1 mile or less in flurries.

Temperatures near minus 3.

Waves

Issued 05:00 AM AST 18 January 2026

Anticosti - eastern half

Today Tonight and Monday. Seas 1 to 2 metres.

Anticosti - western half

Today Tonight and Monday. Seas 1 metre or less building to 1 to 2 near noon then subsiding to 1 or less Monday morning.

Extended Forecast

Issued 03:00 AM AST 18 January 2026
Tuesday Wind southwest 20 knots increasing to west 35 in the afternoon.
Wednesday Wind west 35 knots.
Thursday Wind west 25 knots diminishing to northeast 20.

Ice Forecast

Issued 10:00 AM EST 18 January 2026 Today Tonight and Monday Open water except 7 tenths new ice along parts of the coasts and in the southwestern section. Consolidated grey-white ice in a few sheltered bays. 

[ 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 18 January 2026 Today Tonight and Monday

Ice Edge

First ice edge estimated from New Brunswick near 4532N 6507W to Nova
Scotia near 4500N 6510W. Sea ice east of the ice edge.

Second ice edge estimated from Nova Scotia near 4435N 6327W to 4432N
6251W to 4539N 5917W to 4704N 6000W to 4825N 6224W to 5039N 5807W to
4759N 5937W to Newfoundland near 4738N 5919W. Sea ice northwest then
east of the ice edge.

Ice Coverage

Open water except 7 tenths new ice along parts of the coasts and in
the southwestern section. Consolidated grey-white ice in a few
sheltered bays.

 

Iceberg Bulletin

Issued 1:30 PM EST 17 January 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jan estimated from Newfoundland near
5000N 5532W to 5030N 5230W to 5200N 4915W to 5315N 4915W to 5945N
5730W to 6145N 5155W to 5900N 4735W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 18 January 2026 Today Tonight and Monday At 10:00 a.m. AST today departing trough located over the
southeastern Marine District.

At 8:00 p.m. AST tonight intensifying low 1002 mb located southwest
of Georges Bank.
By 3:30 p.m. AST Monday low 976 mb located over eastern
Newfoundland.

Marine Weather Statement

Issued 9:50 AM AST 18 January 2026 A developing low pressure system will approach the marine district
from the southwest today. The low will intensify as it tracks
northeastward to the south of Nova Scotia Monday morning to lie over
Newfoundland Monday afternoon. Winds will increase to strong to gale
force northeasterlies north of the low's track and gale to near storm
force southwesterlies south of the low's track.

Marine interests are advised that gale warnings are in effect for
Georges Bank, southwestern shore, LaHave Bank, West Scotian Slope,
eastern shore, Sable, East Scotian Slope, Fourchu, Banquereau,
Laurentian Fan and Cabot Strait.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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