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Anticosti - southwestern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 12 February 2026

Today Tonight and Friday.

Gale warning in effect.

Wind northeast 15 knots increasing to north 25 early this morning and to northwest 35 late this morning with gusts to 45 in the Honguedo Strait today and Friday. Wind diminishing to northwest 30 Friday evening.

Periods of snow ending after midnight. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water freezing spray beginning this evening.

Temperatures minus 3 falling to minus 8 Friday morning.

Waves

Issued 05:00 AM AST 12 February 2026

Anticosti - northwestern half

Today Tonight and Friday. Over open water seas 1 metre or less building to 1 to 2 early this afternoon.

Anticosti - southeastern half

Today Tonight and Friday. Over open water seas 1 to 2 metres building to 2 to 3 early this evening and to 3 to 4 near midnight. Seas subsiding to 2 to 3 Friday evening.

Extended Forecast

Issued 03:00 AM AST 12 February 2026
Saturday Wind northwest 25 knots diminishing to northwest 15 in the afternoon.
Sunday Wind variable 15 knots.
Monday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EST 11 February 2026 Today Tonight and Thursday 7 tenths new ice including 2 tenths grey-white ice except 9 tenths grey-white ice including 2 tenths first-year ice in the extreme southwestern section. Consolidated first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 11 February 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4600N 5845W to 4715N 5915W to 4630N 5615W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

7 tenths new ice including 2 tenths grey-white ice except 9 tenths
grey-white ice including 2 tenths first-year ice in the extreme
southwestern section. Consolidated first-year ice along parts of the
coasts.

 

Iceberg Bulletin

Issued 1:52 PM EST 11 February 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Feb estimated from Newfoundland near
4720N 5250W to 4725N 4850W to 4840N 4830W to 5105N 4835W to 5930N
5700W to 6240N 5400W to 5930N 4750W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southwestern half

Issued 03:00 AM AST 12 February 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 - southwestern half

Issued 03:00 AM AST 12 February 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 12 February 2026 Today Tonight and Friday At 3:00 a.m. AST today low 984 mb located over Eastern Shore.
By 3:30 p.m. AST today low 982 mb located south of Newfoundland.

At 3:00 a.m. AST Friday departing low 980 mb located northeast
of Newfoundland.

At 3:30 p.m. AST Friday ridge located over the eastern United
States.

Marine Weather Statement

Issued 2:44 AM AST 12 February 2026 A low pressure system over eastern shore will continue to move
northeastward towards Newfoundland today and depart into the Labrador
Sea Friday morning. Strong to gale force east to southeast winds
ahead of the low shift to strong to gale force westerlies south of
it. Strong to gale force northwesterlies increase over northern areas
this afternoon.

Marine interests are advised that gale warnings are in effect for
LaHave Bank, West Scotian Slope, eastern shore, Sable, East Scotian
Slope, Fourchu, Banquereau, Laurentian Fan, Cabot Strait,
Northumberland Strait - eastern half, Gulf-Magdalen, and Anticosti.

Marine interest are also advised that freezing spray warnings are in
effect for Gulf-Magdalen and Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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