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Gulf - Magdalen - southwestern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 11 August 2026

Today Tonight and Wednesday.

Wind light increasing to variable 10 to 15 knots near noon and to northwest 15 to 20 late this evening. Wind diminishing to light Wednesday afternoon.

Showers and fog patches ending Wednesday morning. Risk of thunderstorms today and this evening.

Waves

Issued 05:00 AM ADT 11 August 2026
Today Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 11 August 2026
Thursday Wind southwest 10 to 15 knots.
Friday Wind variable 15 knots increasing to northwest 25.
Saturday Wind northwest 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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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 10 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 Aug estimated from Newfoundland near
4825N 5310W to 4840N 5220W to 5010N 5100W to 5325N 5100W to 5800N
5300W to 6020N 5200W to 5840N 4500W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 11 August 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today trough located over New Brunswick.
By 8:00 p.m. ADT tonight trough located from the Gulf of
St. Lawrence to East Scotian Slope.

At 8:00 p.m. ADT Wednesday 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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