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Beauport to L'Isle-aux-Coudres

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 10 March 2026

Tonight and Wednesday.

Gale warning in effect.

Wind northeast 10 to 15 knots increasing to northeast 15 to 25 early this evening and to northeast 25 to 35 early Wednesday morning. Wind increasing to northeast 35 to 45 early Wednesday afternoon.

Periods of rain changing to periods of snow this evening and ending this evening. Snow Wednesday changing to freezing rain. Visibility 1 mile or less in snow.

Temperatures plus 3 falling to minus 6 Wednesday morning.

Extended Forecast

Issued 06:00 PM EDT 10 March 2026
Thursday Wind northeast 25 to 35 knots becoming southwest 25 to 35 in the morning then diminishing to southwest 15 to 25 late in the day.
Friday Wind southwest 15 to 25 knots diminishing to light late in the day.
Saturday Wind northeast 20 to 30 knots diminishing to northeast 15 late in the day.

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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

Warnings (In effect)

Gale warning in effect

Beauport to L'Isle-aux-Coudres

Issued 3:00 PM EDT 10 March 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 10 March 2026 Tonight and Wednesday At 3:00 p.m. EDT today trough located on a line northeast-southwest
over the Quebec Lower North Shore.
By 2:00 a.m. EDT Wednesday dissipating trough located on a line
northeast-southwest over Newfoundland.

At 3:00 p.m. EDT today high 1033 mb located over James Bay.
By 8:00 p.m. EDT Wednesday high 1031 mb located over Labrador.

At 8:00 p.m. EDT tonight low 1004 mb located over the Midwestern
states.
By 8:00 p.m. EDT Wednesday low 991 mb located over Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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