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Donnacona to Beauport

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 12 January 2026

Tonight and Tuesday.

Wind west 15 to 20 knots diminishing to light early this evening then becoming southwest 15 late overnight. Wind diminishing to light Tuesday evening.

Periods of snow ending Tuesday morning. Snow Tuesday evening. Visibility as low as 1 mile in snow.

Low tonight minus 5. High Tuesday zero.

Extended Forecast

Issued 06:00 PM EST 12 January 2026
Wednesday Wind southwest 15 to 25 knots.
Thursday Wind westerly 15 to 25 knots.
Friday Wind west 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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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 PM EST 12 January 2026 Tonight and Tuesday At 3:00 p.m. EST today low 978 mb located over Newfoundland.
By 7:00 a.m. EST Tuesday departing low 957 mb located over
Labrador Sea.

At 3:00 p.m. EST today ridge located from Lake Ontario to Ungava
Bay.
By 7:00 p.m. EST Tuesday weakening ridge located on a line
northwest-southeast over Anticosti Island.

At 7:00 p.m. EST Tuesday approaching low 992 mb located north of
the Great Lakes.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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