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Gulf - Magdalen - southwestern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 26 October 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southwest 20 to 25 knots veering to northwest 25 to 30 this evening. Wind northwest 25 to 30 Tuesday.

Showers ending near midnight.

Waves

Issued 05:00 AM ADT 26 October 2026
Today Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 late overnight.

Extended Forecast

Issued 03:00 AM ADT 26 October 2026
Wednesday Wind northwest 30 knots diminishing to northwest 15 to 20 in the morning.
Thursday Wind west 20 knots backing to southwest 25.
Friday Wind light increasing to northwest 25 to 30 knots late in the day.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport La Pocatière Miscou Island Mont-Joli Airport
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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 25 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 26 Oct estimated from Newfoundland near
5030N 5630W to 5030N 5500W to 5200N 5245W to 5500N 5215W to 6000N
5800W to 6125N 5445W to 5855N 4515W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen - southwestern half

Issued 10:00 AM ADT 26 October 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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 26 October 2026 Today Tonight and Tuesday At 10:00 a.m. ADT today trough located from the Strait of Belle
Isle to the Great Lakes.
By 10:00 a.m. ADT Tuesday departing trough located over the
Grand Banks.

At 8:00 p.m. ADT Tuesday approaching high located over Quebec.

Marine Weather Statement

Issued 9:47 AM ADT 26 October 2026 A trough of low pressure will track southeastward across the Gulf of
St. Lawrence tonight. Strong to gale force northwesterlies will
develop across the Northern Gulf of St. Lawrence on Tuesday behind
the trough.

Marine interests are advised that gale warnings are in effect for
Cabot Strait, Gulf - Magdalen - northeastern half, and Anticosti -
southwestern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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