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Donnacona to Beauport

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 14 January 2026

Today Tonight and Thursday.

Wind light increasing to southwest 10 to 15 knots early this morning and to southwest 15 to 25 late this morning. Wind diminishing to southwest 10 to 15 late this afternoon then becoming light early this evening. Wind increasing to northeast 15 to 25 Thursday morning.

Periods of rain changing to snow overnight. Visibility 1 mile or less in precipitation.

Temperatures minus 1 rising to plus 5 this afternoon then falling to minus 10 Thursday evening.

Extended Forecast

Issued 06:00 PM EST 13 January 2026
Thursday Wind north 10 to 20 knots backing to west 10 to 20 in the morning.
Friday Wind west 15 knots diminishing to light.
Saturday Wind light increasing to southwest 10 to 20 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 AM EST 14 January 2026 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over the Gulf of St. Lawrence.
By 5:00 a.m. EST Thursday departing ridge located on a line
northwest-southeast over Labrador Sea.

At 3:00 a.m. EST today low 989 mb located over western Quebec.
By 7:00 p.m. EST tonight weakening low 998 mb located north of
Saguenay River.

At 7:00 p.m. EST tonight low 998 mb located south of Lake Ontario.
By 7:00 p.m. EST Thursday low 992 mb located over Maine.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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