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Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 13 May 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind southerly 15 knots increasing to east 25 near noon Thursday.

Showers and fog patches Thursday late in the day.

Waves

Issued 05:00 PM ADT 13 May 2026
Tonight and Thursday. Seas 1 metre or less building to 1 to 2 near midnight.

Extended Forecast

Issued 03:30 PM ADT 13 May 2026
Friday Wind northeast 25 to 30 knots diminishing to east 15 in the afternoon then becoming variable 10 to 15 late in the day.
Saturday Wind westerly 15 to 20 knots backing to southwest 20 to 25.
Sunday Wind southwest 20 knots.

Ice Forecast

Issued 10:00 AM EDT 13 May 2026 Today Tonight and Thursday Ice free. 

[ Canadian Ice Service ]

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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 13 May 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5012N 6046W to 4956N 6025W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Lurcher

Issued 8:00 PM ADT 13 May 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 13 May 2026 Tonight and Thursday At 8:00 p.m. ADT tonight ridge located over the Maritimes.
By 3:00 a.m. ADT Thursday ridge located from Anticosti Island to
Laurentian Fan.

At 3:00 a.m. ADT Thursday deepening low 1006 mb located southwest
of the Marine District.
By 8:00 p.m. ADT Thursday low 998 mb located near Georges Bank.

Marine Weather Statement

Issued 7:36 PM ADT 13 May 2026 A low pressure system will approach the marine district from the
southwest on Thursday. Increasing easterly winds throughout the day
will reach strong to gale force across southern waters north of the
low.

Marine interests are advised that gale warnings are in effect for
Georges Bank, LaHave Bank, West Scotian Slope, Sable, East Scotian
Slope and Laurentian Fan - southwestern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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