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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 07:59 PM EST 07 March 2026

Tonight and Sunday.

Wind southwest 20 to 30 knots diminishing to northwest 10 to 20 late overnight then becoming light Sunday afternoon.

Periods of rain and fog changing to periods of snow or rain Sunday morning and ending Sunday morning.

Temperatures plus 3 falling to minus 3 Sunday evening.

Waves

Issued 03:00 PM EST 07 March 2026
Tonight and Sunday. Over open water seas 1 to 2 metres subsiding to 1 or less Sunday afternoon.

Extended Forecast

Issued 06:00 PM EST 07 March 2026
Monday Wind southwest 20 to 30 knots increasing to southwest 30 to 40 late in the day.
Tuesday Wind southwest 30 to 40 knots diminishing to northwest 10 to 20.
Wednesday Wind northwest 10 to 20 knots veering to northeast 15 to 25.

Ice Forecast

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday 7 tenths new ice including 2 tenths grey ice except 9 tenths grey-white ice including 1 tenth first-year ice in the extreme 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4549N 5807W to 4708N 5834W 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 ice except 9 tenths
grey-white ice including 1 tenth first-year ice in the extreme
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 7 March 2026 Tonight and Sunday At 3:00 p.m. EST today low 995 mb located southwest of Quebec.
By 8:00 p.m. EDT Sunday departing low 998 mb located over
Newfoundland.

At 3:00 p.m. EST today ridge located on a line northeast-southwest
over western Lake Superior.
By 8:00 p.m. EDT Sunday ridge located on a line northeast-southwest
over the Gaspe Peninsula.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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