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Forecast

Marine Forecast

Issued 03:00 AM AST 10 February 2026

Today Tonight and Wednesday.

Wind north 20 knots backing to northwest 15 this morning then diminishing to light this afternoon. Wind increasing to south 15 overnight then backing to southeast 20 Wednesday morning. Wind becoming variable 15 to 20 Wednesday afternoon.

Snow beginning near midnight becoming rain or snow Wednesday afternoon.

Temperatures minus 3 rising to plus 2 Wednesday afternoon.

Waves

Issued 05:00 AM AST 10 February 2026
Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less this afternoon then building to 1 to 2 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM AST 10 February 2026
Thursday Wind northeast 25 knots backing to northwest 25 in the afternoon.
Friday Wind northwest 25 knots.
Saturday Wind west 20 knots.

Ice Forecast

Issued 10:00 AM EST 9 February 2026 Today Tonight and Tuesday Open water. Consolidated grey-white ice in a few sheltered bays. 

[ Canadian Ice Service ]

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Weather Conditions

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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 9 February 2026 Today Tonight and Tuesday

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

Open water. Consolidated grey-white ice in a few sheltered bays.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 10 February 2026 Today Tonight and Wednesday At 3:00 a.m. AST today trough located over the Grand Banks.
By 8:00 p.m. AST tonight trough located east of the Grand Banks.

By 10:00 a.m. AST Wednesday deepening low 1000 mb located over
the Gulf of Maine.

At 3:00 a.m. AST today ridge located over the East Coast of the U.S.
By 3:00 a.m. AST Wednesday weakening ridge located south of
Nova Scotia.

Marine Weather Statement

Issued 2:47 AM AST 10 February 2026 A low pressure system will emerge in the Gulf of Maine on Wednesday
and deepen as it passes south of Nova Scotia. Strong to gale force
east to southeast winds are expected to develop ahead of and north of
the track of the low. Gale force westerlies are expected to develop
south of the low Wednesday evening.

Marine interests are advised that gale warnings are in effect for
Sable, East Scotian Slope, and Laurentian Fan. A freezing spray
warning is in effect for Anticosti.

St. Lawrence - St. Lawrence River Area

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