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Beauport to L'Isle-aux-Coudres

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 09 March 2026

Tonight and Tuesday.

Wind southwest 20 to 30 knots diminishing to southwest 10 to 20 near midnight then becoming light early Tuesday morning. Wind becoming northeast 15 near noon Tuesday.

Periods of rain Tuesday afternoon changing to periods of snow with a risk of freezing rain. Visibility as low as 1 mile in snow.

Temperatures plus 5 falling to minus 4 Tuesday evening.

Extended Forecast

Issued 06:00 PM EDT 09 March 2026
Wednesday Wind northeast 15 to 25 knots increasing to northeast 25 to 35 in the morning.
Thursday Wind northeast 25 to 35 knots diminishing to west 10 to 15.
Friday Wind southwest 15 to 25 knots diminishing to light 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 9 March 2026 Tonight and Tuesday At 3:00 p.m. EDT today trough located from Lake Superior to
Labrador.
By 8:00 p.m. EDT Tuesday trough located from Lake Ontario to
Newfoundland.

At 8:00 p.m. EDT Tuesday approaching high 1032 mb located near
James Bay.

At 8:00 p.m. EDT Tuesday approaching low 1004 mb located over the
Midwestern states.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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