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Donnacona to Beauport

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 05 March 2026

Today Tonight and Friday.

Wind light increasing to northeast 15 to 25 knots early this morning then becoming northeast 15 overnight. Wind diminishing to light near noon Friday.

Flurries ending late this morning. Visibility as low as 1 mile in flurries.

High today minus 6. Low tonight minus 11. High Friday minus 3.

Extended Forecast

Issued 06:00 AM EST 05 March 2026
Saturday Wind southerly 15 to 25 knots.
Sunday Wind light becoming southwest 10 to 15 knots.
Monday Wind southwest 20 knots increasing to southwest 20 to 30.

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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

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 5 March 2026 Today Tonight and Friday At 3:00 a.m. EST today ridge located from James Bay to the Gaspe
Peninsula.
By 7:00 p.m. EST Friday ridge located on a line north-south over
Natashquan.

At 3:00 a.m. EST today approaching low 1004 mb located south of
Lake Superior.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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