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Gulf - Magdalen - northeastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 18 May 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 20 to 25 knots diminishing to west 15 early this evening and to light near midnight. Wind becoming southeast 15 Tuesday evening.

Showers Tuesday late in the day.

Waves

Issued 05:00 AM ADT 18 May 2026
Today Tonight and Tuesday. Seas 2 to 3 metres subsiding to 1 to 2 this evening and to 1 or less Tuesday morning.

Extended Forecast

Issued 03:00 AM 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 17 May 2026 Today Tonight and Monday 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 17 May 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Quebec near 5108N 5835W to 5110N 5800W to
Quebec near 5125N 5736W. Sea ice north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:46 PM EDT 17 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 May estimated from Newfoundland near
4700N 5520W to 4230N 5000W to 4230N 4800W to 4400N 4600W 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

Gulf - Magdalen - northeastern half

Issued 03:00 AM ADT 18 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 18 May 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today departing trough located over the southern
Marine District.

At 3:00 a.m. ADT today ridge located on a line north-south over
New England.
By 3:00 a.m. ADT Tuesday ridge located on a line north-south over
the eastern Marine District.

Marine Weather Statement

Issued 2:44 AM ADT 18 May 2026 Gale warnings are no longer in effect.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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