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Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 24 June 2025

Today Tonight and Wednesday.

Wind southwest 10 to 15 knots increasing to southwest 15 to 20 early this morning then diminishing to variable 10 to 15 overnight. Wind becoming northwest 15 Wednesday afternoon then diminishing to light Wednesday evening.

Showers Wednesday. Fog patches dissipating after midnight.

Waves

Issued 05:00 AM ADT 24 June 2025
Today Tonight and Wednesday. Seas 1 metre.

Extended Forecast

Issued 03:00 AM ADT 24 June 2025
Thursday Wind variable 10 to 15 knots.
Friday Wind light.
Saturday Wind easterly 15 knots increasing to easterly 25.

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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 Saint-Hubert 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 24 June 2025 Today Tonight and Wednesday At 3:00 a.m. ADT today trough located from the Quebec Lower North
Shore to Maine.
By 3:30 p.m. ADT today trough located over southern New Brunswick.

At 3:00 a.m. ADT Wednesday trough located on a line
northeast-southwest over Nova Scotia.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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