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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 18 February 2026

Tonight and Thursday.

Wind northeasterly 15 to 25 knots diminishing to north 10 to 15 early this evening then backing to northwesterly 15 to 20 near midnight. Wind backing to west 15 to 25 early Thursday morning.

Snow ending near midnight. Visibility 1 mile or less in snow.

Temperatures minus 2 falling to minus 7 Thursday evening.

Waves

Issued 03:00 PM EST 18 February 2026
Tonight and Thursday. Over open water seas 1 metre.

Extended Forecast

Issued 06:00 PM EST 18 February 2026
Friday Wind northerly 15 to 25 knots.
Saturday Wind north 15 to 25 knots.
Sunday Wind north 15 knots backing to west 10 to 15.

Ice Forecast

Issued 10:00 AM EST 18 February 2026 Today Tonight and Thursday 2 tenths grey-white ice except 8 tenths grey ice including 2 tenths grey-white ice in the southwestern section. Consolidated first-year ice along parts of the coast. 

[ 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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 18 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

2 tenths grey-white ice except 8 tenths grey ice including 2 tenths
grey-white ice in the southwestern section. Consolidated first-year
ice along parts of the coast.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EST 18 February 2026 Tonight and Thursday At 3:00 p.m. EST today trough located on a line northeast-southwest
over New Brunswick.
By 10:00 p.m. EST tonight departing trough located on a line
northeast-southwest over Nova Scotia.

At 3:00 p.m. EST today ridge located on a line northwest-southeast
over Montréal.
By 7:00 p.m. EST Thursday ridge located on a line
northwest-southeast over Québec city.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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