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Gulf - Magdalen

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 15 September 2026

Tonight and Wednesday.

Wind light increasing to south 10 to 15 knots near midnight and to southwest 15 to 20 near noon Wednesday.

Waves

Issued 05:00 PM ADT 15 September 2026

Gulf - Magdalen - northern half

Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 Wednesday afternoon.

Gulf - Magdalen - southern half

Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 03:30 PM ADT 15 September 2026
Thursday Wind northwest 15 to 20 knots diminishing to light in the afternoon.
Friday Wind southwest 20 to 25 knots increasing to northwest 35.
Saturday Wind northwest 30 knots diminishing to northwest 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
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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 3:59 PM EDT 15 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 Sep estimated from Newfoundland near
4930N 5510W to 5430N 5115W to 6000N 5730W to 6125N 5435W to 5850N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 15 September 2026 Tonight and Wednesday At 8:00 p.m. ADT tonight weakening trough located on a line
northeast-southwest over Laurentian Fan.
By 3:30 p.m. ADT Wednesday departing trough located on a line
northeast-southwest over Laurentian Fan.

At 8:00 p.m. ADT tonight ridge located from the Gulf of St. Lawrence
to the Gulf of Maine.
By 3:00 a.m. ADT Wednesday quasi-stationary ridge located from
Newfoundland to Nova Scotia.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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