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Gulf - Magdalen - northeastern half

Forecast

Marine Forecast

Issued 08:00 PM ADT 13 August 2026

Tonight and Friday.

Strong wind warning in effect.

Wind light increasing to north 15 knots near noon Friday and to northwest 25 early Friday evening.

Scattered showers. Risk of thunderstorms tonight and Friday.

Waves

Issued 05:00 PM ADT 13 August 2026
Tonight and Friday. Seas 1 metre or less building to 1 to 2 Friday afternoon.

Extended Forecast

Issued 03:30 PM ADT 13 August 2026
Saturday Wind northwest 20 knots diminishing to light late in the day.
Sunday Wind light becoming southwest 10 to 15 knots.
Monday Wind southwest 20 to 25 knots.

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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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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 13 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 14 Aug estimated from Newfoundland near
4825N 5310W to 4840N 5220W to 5030N 5130W to 5900N 5500W to 6020N
5200W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen - northeastern half

Issued 8:00 PM ADT 13 August 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 8:00 PM ADT 13 August 2026 Tonight and Friday At 8:00 p.m. ADT tonight trough located from the Gaspe Peninsula
to the Gulf of Maine.

At 10:00 a.m. ADT Friday deepening low 1003 mb located over
Cabot Strait.

St. Lawrence - St. Lawrence River Area

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