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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 21 May 2025

Tonight and Thursday.

Strong wind warning in effect.

Wind northeasterly 15 to 20 knots diminishing to light this evening then increasing to east 15 to 25 Thursday morning. Wind becoming easterly 15 Thursday evening.

Waves

Issued 03:00 PM EDT 21 May 2025
Tonight and Thursday. Seas 1 metre or less building to 1 to 2 near noon Thursday.

Extended Forecast

Issued 06:00 PM EDT 21 May 2025
Friday Wind east 25 to 35 knots.
Saturday Wind east 20 to 30 knots diminishing to east 10 to 20 late in the day.
Sunday Wind northeasterly 10 to 15 knots becoming southwest 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 21 May 2025 Today Tonight and Thursday Ice free. 

[ Canadian Ice Service ]

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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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 May 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5124N 5751W to 5055N 5734W to 5102N 5716W then northeastward. Sea ice northeast of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 3:00 PM EDT 21 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 PM EDT 21 May 2025 Tonight and Thursday At 3:00 p.m. EDT today ridge located on a line north-south over
Sept-Îles.
By 8:00 p.m. EDT Thursday ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 3:00 p.m. EDT today quasi-stationary low 1002 mb located south
of Lake Erie.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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