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Gulf - Magdalen

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 12 February 2026

Today Tonight and Friday.

Gale warning in effect.

Wind northeasterly 25 knots increasing to northwest 35 this morning then diminishing to northwest 25 Friday evening.

Snow changing to flurries near midnight and ending Friday morning. Visibility as low as 1 mile in precipitation.

Freezing spray warning in effect.

Over open water freezing spray beginning near midnight.

Temperatures near minus 3.

Waves

Issued 05:00 AM AST 12 February 2026
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 20 knots diminishing to variable 10 to 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 Ice pressure warning in effect. 4 tenths grey ice including 1 tenth first-year ice except 9 plus tenths grey-white ice including 3 tenths first-year ice along the Prince Edward Island coast and along parts of the Cape Breton Island coast. Consolidated first-year ice along parts of the coast. Strong ice pressure along the coast of Prince Edward Island and Cape Breton developing Thursday afternoon. 

[ 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

Ice pressure warning in effect.

4 tenths grey ice including 1 tenth first-year ice except 9 plus
tenths grey-white ice including 3 tenths first-year ice along the
Prince Edward Island coast and along parts of the Cape Breton Island
coast. Consolidated first-year ice along parts of the coast.
Strong ice pressure along the coast of Prince Edward Island and Cape
Breton developing Thursday afternoon.

 

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

Gulf - Magdalen

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

Gulf - Magdalen

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.

Ice pressure warning in effect

Gulf - Magdalen

Issued 10:00 AM EST 11 February 2026

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio 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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