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Anticosti - eastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 14 May 2026

Today Tonight and Friday.

Strong wind warning in effect.

Wind west 15 knots diminishing to light this morning then increasing to southeast 15 to 20 this afternoon. Wind backing to northeast 20 near noon Friday.

Waves

Issued 05:00 PM ADT 13 May 2026

Anticosti - northwestern half

Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less near midnight.

Anticosti - southeastern half

Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less late overnight.

Extended Forecast

Issued 03:00 AM ADT 14 May 2026
Saturday Wind variable 15 to 20 knots.
Sunday Wind southwest 20 to 25 knots veering to west 30.
Monday Wind northwest 30 knots.

Ice Forecast

Issued 10:00 AM EDT 13 May 2026 Today Tonight and Thursday Bergy water. 

[ 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

Bergy water.

 

Iceberg Bulletin

Issued 3:19 PM EDT 13 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 14 May estimated from Newfoundland near
4655N 5545W to 4125N 5045W to 4135N 4645W to 4740N 4405W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 6000N 5300W to 5840N 4940W to
5755N 4530W then northeastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the
western iceberg limit.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti - eastern half

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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Marine Weather for Canada

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