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Beauport to L'Isle-aux-Coudres

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 07 March 2026

Today Tonight and Sunday.

Wind light increasing to southwest 10 to 15 knots this morning and to southwest 15 to 25 near noon. Wind diminishing to light overnight then increasing to northeast 20 to 30 Sunday morning. Wind diminishing to light near noon Sunday then increasing to southwest 10 to 20 Sunday afternoon. Wind increasing to southwest 20 to 30 Sunday evening.

Freezing rain beginning early this morning changing to rain or periods of snow early this morning then to flurries or showers Sunday evening.

Temperatures minus 3 rising to plus 8 near midnight then falling to plus 3 Sunday morning.

Extended Forecast

Issued 06:00 AM EST 07 March 2026
Monday Wind southwest 20 to 30 knots.
Tuesday Wind southwest 15 to 25 knots diminishing to southwest 10 to 15.
Wednesday Wind northeast 10 to 15 knots increasing to northeast 15 to 25.

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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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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 7 March 2026 Today Tonight and Sunday At 3:00 a.m. EST today low 1001 mb located west of Lake Michigan.
By 8:00 p.m. EDT Sunday departing low 997 mb located near
Natashquan.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over the Midwestern states.
By 8:00 p.m. EDT Sunday ridge located on a line northeast-southwest
over Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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