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Donnacona to Beauport

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 June 2026

Today Tonight and Tuesday.

Wind light increasing to southwest 15 to 20 knots this morning then diminishing to light this evening. Wind becoming southwest 10 to 15 near noon Tuesday.

Showers early this morning. Scattered showers this afternoon and this evening. Fog patches forming overnight and dissipating Tuesday morning. Visibility as low as 1 mile in showers and 1 mile or less in fog patches.

Extended Forecast

Issued 06:00 PM EDT 14 June 2026
Tuesday Wind southwest 15 to 20 knots.
Wednesday Wind southwest 10 to 15 knots becoming light late in the day.
Thursday Wind easterly 10 to 20 knots.

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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 - Quai de St-Jean 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

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 15 June 2026 Today Tonight and Tuesday At 3:00 a.m. EDT today ridge located on a line east-west over
Natashquan.
By 8:00 p.m. EDT Tuesday departing ridge located on a line east-west
over the Strait of Belle Isle.

At 3:00 a.m. EDT today trough located on a line north-south over
western Quebec.
By 8:00 p.m. EDT Tuesday trough located on a line
northwest-southeast over the Gaspe Peninsula.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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