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Gulf - Magdalen - western half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 10 August 2026

Today Tonight and Tuesday.

Wind west 10 to 15 knots diminishing to light this evening. Wind light Tuesday.

Showers and fog patches Tuesday. Fog patches dissipating near noon.

Waves

Issued 05:00 AM ADT 10 August 2026

Gulf - Magdalen - northeastern half

Today Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less early this evening then building to 1 to 2 near noon Tuesday.

Gulf - Magdalen - southwestern half

Today Tonight and Tuesday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 10 August 2026
Wednesday Wind northwest 20 knots.
Thursday Wind west 10 to 15 knots backing to southerly 15.
Friday Wind variable 15 knots increasing to northwest 25.

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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 9 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 10 Aug estimated from Newfoundland near
4825N 5310W to 4840N 5220W to 5010N 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 10 August 2026 Today Tonight and Tuesday At 10:00 a.m. ADT today trough located from the Gulf of St. Lawrence
to the Grand Banks.
By 8:00 p.m. ADT tonight departing trough located over the Grand
Banks.

At 8:00 p.m. ADT tonight trough located over New England.
By 8:00 p.m. ADT Tuesday trough located from the Gulf of
St. Lawrence to East Scotian Slope.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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