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Marine Forecast

Issued 10:00 AM ADT 17 July 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind westerly 15 knots diminishing to light near midnight then increasing to southwest 15 Saturday morning. Wind increasing to south 25 Saturday evening.

Showers Saturday evening.

Waves

Issued 05:00 AM ADT 17 July 2026
Today Tonight and Saturday. Seas 1 metre or less building to 1 to 2 Saturday afternoon.

Extended Forecast

Issued 03:00 AM ADT 17 July 2026
Sunday Wind southwest 25 to 30 knots diminishing to west 15 to 20 in the afternoon.
Monday Wind westerly 15 knots.
Tuesday Wind light becoming south 15 knots.

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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 - Quai de St-Jean 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

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Lurcher

Issued 1:19 PM ADT 17 July 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 17 July 2026 Today Tonight and Saturday At 10:00 a.m. ADT today quasi-stationary low located over Labrador.

At 10:00 a.m. ADT today departing trough located east of the
Marine District.

At 3:30 p.m. ADT Saturday approaching low 996 mb located over
southern Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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