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Forecast

Marine Forecast

Issued 03:00 AM ADT 14 May 2026

Today Tonight and Friday.

Strong wind warning in effect.

Wind southerly 15 knots increasing to east 25 near noon then backing to northerly 20 to 25 near midnight. Wind diminishing to northwest 15 Friday afternoon.

Periods of rain overnight and Friday. Fog patches forming this evening and dissipating Friday evening.

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 03:00 AM ADT 14 May 2026
Saturday Wind westerly 15 to 20 knots backing to southwest 20 to 25 in the afternoon.
Sunday Wind southwest 20 to 25 knots veering to westerly 15 to 20 late in the day.
Monday Wind northwest 15 knots.

Ice Forecast

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

[ Canadian Ice Service ]

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Weather Conditions

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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 03:00 AM ADT 14 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 3:00 AM ADT 14 May 2026 Today Tonight and Friday At 3:00 a.m. ADT today deepening low 1006 mb located southwest of
the Marine District.
By 8:00 p.m. ADT tonight low 998 mb located near Georges Bank.

At 10:00 a.m. ADT Friday low 998 mb located west of Sable Island.
By 8:00 p.m. ADT Friday high 1000 mb located over Fourchu.

At 3:00 a.m. ADT today ridge located from Anticosti Island to
Laurentian Fan.
By 3:30 p.m. ADT today departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 2:40 AM ADT 14 May 2026 A low pressure system southwest of the marine district will track
northeastward across southern waters today and Friday to lie near
Cabot Strait Friday evening. Strong to gale force easterly winds
north of the low shift to strong to gale force southerlies to its
south.

Marine interests are advised that gale warnings are in effect for
Browns Bank, Georges Bank, southwestern shore, LaHave Bank, West
Scotian Slope, eastern shore, Sable, East Scotian Slope, Fourchu,
Banquereau, Laurentian Fan and Cabot Strait.

St. Lawrence - St. Lawrence River Area

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