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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 06 March 2026

Today Tonight and Saturday.

Wind northwest 10 to 15 knots becoming light early this morning then becoming east 10 to 15 early this evening. Wind veering to south 10 to 15 near midnight then increasing to southerly 15 to 25 Saturday morning.

Periods of snow or freezing rain Saturday morning and afternoon changing to periods of rain. Visibility 1 mile or less in precipitation.

Temperatures minus 14 rising to plus 3 Saturday evening.

Waves

Issued 03:00 AM EST 06 March 2026
Today Tonight and Saturday. Over open water seas 1 metre or less building to 1 to 2 Saturday morning.

Extended Forecast

Issued 06:00 AM EST 06 March 2026
Sunday Wind southwest 25 to 35 knots diminishing to northerly 15 to 25 in the morning and to westerly 10 to 15 in the afternoon.
Monday Wind southwest 15 to 20 knots increasing to southwest 20 to 30.
Tuesday Wind southwest 30 to 40 knots diminishing to north 15 late in the day.

Ice Forecast

Issued 10:00 AM EST 5 March 2026 Today Tonight and Friday 3 tenths new ice including 1 tenth grey ice except 9 tenths grey ice including 1 tenth first-year ice in the extreme western 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 5 March 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4600N 5845W to 4714N 5856W to 4630N 5615W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

3 tenths new ice including 1 tenth grey ice except 9 tenths grey ice
including 1 tenth first-year ice in the extreme western section.
Consolidated first-year ice along parts of the coast.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 6 March 2026 Today Tonight and Saturday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Sept-Îles.
By 4:00 a.m. EST Saturday departing ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 7:00 p.m. EST tonight low 1003 mb located west of Lake Michigan.
By 7:00 p.m. EST Saturday low 988 mb located near Lake Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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