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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 19 May 2026

Tonight and Wednesday.

Storm warning in effect.

Wind easterly 15 knots increasing to easterly 15 to 25 near midnight then becoming southwest 10 to 20 Wednesday morning. Wind increasing to west 25 to 35 Wednesday afternoon and to west 40 to 50 Wednesday evening.

Showers tonight and Wednesday. Fog banks forming overnight and dissipating Wednesday evening.

Waves

Issued 03:00 PM EDT 19 May 2026
Tonight and Wednesday. Seas 1 metre or less building to 2 Wednesday evening.

Extended Forecast

Issued 06:00 AM EDT 19 May 2026
Thursday Wind west 40 to 50 knots diminishing to northwest 30 to 40 in the morning.
Friday Wind west 25 to 35 knots diminishing to west 15 to 25.
Saturday Wind northwest 20 to 30 knots backing to southwest 15 to 25.

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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 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)

Storm warning in effect

Pointe-des-Monts to Anticosti - southern half

Issued 3:00 PM EDT 19 May 2026

'Storm' force winds of 48 to 63 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 19 May 2026 Tonight and Wednesday At 3:00 p.m. EDT today departing ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 3:00 p.m. EDT today low 1003 mb located southwest of James Bay.
By 8:00 p.m. EDT Wednesday low 992 mb located over Labrador.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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