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Gulf - Magdalen - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 21 September 2026

Today Tonight and Tuesday.

Wind southwest 15 knots diminishing to light early this morning then increasing to northwesterly 15 to 20 this afternoon. Wind becoming northerly 15 Tuesday morning then veering to northeast 10 to 15 Tuesday evening.

Scattered showers ending near midnight. Risk of thunderstorms this morning.

Waves

Issued 05:00 PM ADT 20 September 2026

Gulf - Magdalen - northeastern half

Tonight and Monday. Seas 1 metre or less building to 1 to 2 late overnight.

Gulf - Magdalen - southwestern half

Tonight and Monday. Seas 1 metre or less building to 1 to 2 near midnight then subsiding to 1 or less Monday morning.

Extended Forecast

Issued 03:00 AM ADT 21 September 2026
Wednesday Wind northwesterly 10 to 15 knots.
Thursday Wind west 15 knots diminishing to light late in the day.
Friday Wind light becoming northeast 15 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 20 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Sep estimated from Newfoundland near
4930N 5510W to 5130N 5330W to 5400N 5330W to 6000N 5800W 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 3:00 AM ADT 21 September 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located over the western Marine
District.
By 3:00 a.m. ADT Tuesday trough located from Newfoundland to
Laurentian Fan.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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