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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 01 April 2025

Today Tonight and Wednesday.

Wind northwesterly 15 to 25 knots diminishing to northwest 10 to 15 early this evening then becoming light near midnight. Wind becoming northeast 10 to 15 near noon Wednesday.

Scattered flurries Wednesday evening.

High today plus 1. Low tonight minus 10. High Wednesday zero.

Extended Forecast

Issued 06:00 AM EDT 01 April 2025
Thursday Wind easterly 15 to 25 knots becoming southwest 15 to 25 in the afternoon.
Friday Wind west 15 knots.
Saturday Wind light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport L'Isle-aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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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 EDT 1 April 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today low 996 mb located near Pointe-des-Monts.
By 8:00 a.m. EDT Wednesday departing low 980 mb located over
Labrador Sea.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 8:00 p.m. EDT Wednesday ridge located on a line north-south
over Rimouski.

At 8:00 p.m. EDT Wednesday approaching low 988 mb located over
the Midwestern states.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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