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Gulf - Magdalen - southwestern half

Forecast

Marine Forecast

Issued 08:00 PM ADT 18 May 2026

Tonight and Tuesday.

Wind southeasterly 10 to 15 knots tonight and Tuesday.

Scattered showers Tuesday.

Waves

Issued 05:00 PM ADT 18 May 2026
Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less this evening.

Extended Forecast

Issued 03:30 PM ADT 18 May 2026
Wednesday Wind southeasterly 15 knots veering to southwest 20 in the afternoon.
Thursday Wind variable 10 to 15 knots increasing to northwest 25.
Friday Wind northwest 20 knots.

Ice Forecast

Issued 10:00 AM EDT 18 May 2026 Today Tonight and Tuesday Ice free.These are the last forecasts for the season. 

[ 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 18 May 2026 Today Tonight and Tuesday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Ice free.

These are the last forecasts 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 18 May 2026 Tonight and Tuesday At 8:00 p.m. ADT tonight ridge located over the Marine District.
By 10:00 a.m. ADT Tuesday ridge located southeast of the Marine
District.

At 3:00 a.m. ADT Tuesday warm front located over southern Quebec.
By 8:00 p.m. ADT Tuesday warm front located over the Maritimes.

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