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Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 19 May 2025

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southwest 15 knots increasing to northwest 15 to 20 this morning and to northerly 25 to 30 this evening. Wind veering to northeast 20 to 25 Tuesday afternoon except north 10 to 15 over eastern sections.

Showers beginning early this morning. Fog patches dissipating Tuesday morning.

Waves

Issued 05:00 PM ADT 18 May 2025
Tonight and Monday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM ADT 19 May 2025
Wednesday Wind northeast 15 knots.
Thursday Wind east 25 knots.
Friday Wind east 30 to 40 knots diminishing to northwest 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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buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Lurcher

Issued 03:00 AM ADT 19 May 2025

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 19 May 2025 Today Tonight and Tuesday At 3:00 a.m. ADT today trough from low located from Grand Manan
to Laurentian Fan.
By 3:30 p.m. ADT today trough from low located from Nova Scotia
to Banquereau.

At 3:00 a.m. ADT Tuesday trough located from LaHave Bank to East
Scotian Slope.
By 8:00 p.m. ADT Tuesday trough located on a line
northeast-southwest over southeastern Laurentian Fan.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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