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Anticosti - southwestern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 19 May 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind light increasing to southeast 15 knots near noon and to southeast 20 to 25 late overnight. Wind diminishing to light Wednesday morning then increasing to west 30 Wednesday evening.

Periods of rain and fog patches this afternoon tonight and Wednesday.

Waves

Issued 05:00 AM ADT 19 May 2026
Today Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 Wednesday morning.

Extended Forecast

Issued 03:00 AM ADT 19 May 2026
Thursday Wind northwest 30 knots.
Friday Wind northwest 25 knots.
Saturday Wind northwest 25 knots.

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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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 18 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 19 May estimated from Newfoundland near
4700N 5520W to 4325N 5015W to 4320N 4615W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5840N 4800W
then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti - southwestern half

Issued 10:00 AM ADT 19 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 10:00 AM ADT 19 May 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today ridge located on a line north-south over
the eastern Marine District.
By 8:00 p.m. ADT tonight departing ridge located over the Grand
Banks.

At 10:00 a.m. ADT today warm front located from Quebec to Sable
Island.
By 8:00 p.m. ADT tonight quasi-stationary warm front located from
New Brunswick to Banquereau.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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