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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 16 January 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind northeast 25 knots increasing to northwest 35 this afternoon then diminishing to west 30 Saturday morning. Wind diminishing to west 15 to 20 Saturday afternoon.

Snow today and tonight. Scattered flurries Saturday evening. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water freezing spray beginning this morning and ending Saturday afternoon.

Temperatures minus 3 falling to minus 9 overnight then rising to minus 4 Saturday evening.

Waves

Issued 05:00 AM AST 16 January 2026
Today Tonight and Saturday. Seas 1 metre building to 2 to 3 this afternoon and to 3 to 4 this evening. Seas subsiding to 2 to 3 Saturday morning and to 1 Saturday afternoon.

Extended Forecast

Issued 03:00 AM AST 16 January 2026
Sunday Wind variable 15 knots.
Monday Wind northeast 35 knots backing to northwest 35.
Tuesday Wind southwest 20 knots increasing to west 30.

Ice Forecast

Issued 10:00 AM EST 15 January 2026 Today Tonight and Friday Open water except 3 tenths new ice including 1 tenth grey ice along parts of the coasts. 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 15 January 2026 Today Tonight and Friday

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 3 tenths new ice including 1 tenth grey ice along
parts of the coasts. Consolidated grey-white ice in a few sheltered
bays.

 

Iceberg Bulletin

Issued 1:30 PM EST 15 January 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 Jan estimated from Newfoundland near
5000N 5532W to 5045N 5245W to 5215N 4945W to 5315N 4945W to 5945N
5730W to 6145N 5155W to 5845N 4735W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti

Issued 03:00 AM AST 16 January 2026

'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

Anticosti

Issued 03:00 AM AST 16 January 2026

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 16 January 2026 Today Tonight and Saturday At 3:00 a.m. AST today trough located from East Scotian Slope to
the Gulf of St. Lawrence.
By 8:00 p.m. AST tonight departing trough located on a line
north-south over the Grand Banks.

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

At 8:00 p.m. AST tonight quasi-stationary low located over the
Great Lakes.

Marine Weather Statement

Issued 2:28 AM AST 16 January 2026 A stalled trough extending from East Scotian Slope to the Gulf of St.
Lawrence will slowly begin to move east of the district this
afternoon. Gale to storm force southerlies ahead of the trough this
morning will veer to gale to storm force westerlies behind it.

Marine interests are advised that storm warnings are in effect for
eastern shore, Sable, East Scotian Slope, Fourchu, Banquereau, and
Laurentian Fan. Gale warnings are in effect for all remaining
maritime waters.

Marine interests are also advised that freezing spray warnings are in
effect for Northumberland Strait, Gulf-Magdalen, Chaleur-Miscou, and
Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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