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Gulf - Magdalen - southwestern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 14 August 2026

Tonight and Saturday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to northwest 10 to 15 Saturday evening.

Scattered showers ending Saturday morning. Risk of thunderstorms late this afternoon and this evening.

Waves

Issued 05:00 AM ADT 14 August 2026
Today Tonight and Saturday. Seas 1 metre or less building to 1 to 2 this afternoon.

Extended Forecast

Issued 03:00 AM ADT 14 August 2026
Sunday Wind light.
Monday Wind south 10 to 15 knots increasing to southerly 20.
Tuesday Wind southerly 20 knots diminishing to variable 15.

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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
Legend:
buoy Buoy
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 14 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 15 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 - southwestern half

Issued 3:30 PM ADT 14 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 3:30 PM ADT 14 August 2026 Tonight and Saturday At 3:30 p.m. ADT today low 1004 mb located near Cabot Strait.
By 3:00 a.m. ADT Saturday low 1003 mb located south of Newfoundland.

At 3:00 a.m. ADT Saturday trough located over the eastern Marine
District.
By 3:30 p.m. ADT Saturday departing trough located over the
Grand Banks.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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