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Gulf - Magdalen

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 20 July 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southwest 20 near midnight then diminishing to northwest 10 to 15 overnight. Wind increasing to northerly 25 Monday afternoon.

Showers this afternoon tonight and Monday. Risk of thunderstorms late this afternoon and this evening and Monday afternoon and evening.

Waves

Issued 05:00 AM ADT 20 July 2025
Today Tonight and Monday. Seas 1 metre or less building to 1 to 2 Monday afternoon.

Extended Forecast

Issued 03:00 AM ADT 20 July 2025
Tuesday Wind northwest 20 to 25 knots diminishing to west 10 to 15 in the afternoon.
Wednesday Wind west 10 to 15 knots diminishing to light.
Thursday Wind south 10 to 15 knots veering to southwest 15 to 20.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Saint-Hubert Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts 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 Miscou Island Kouchibouguac La Pocatière
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 19 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 20 Jul estimated from Newfoundland near
4709N 5256W to 4715N 4615W to 4920N 4400W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W to 5840N 4615W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen

Issued 03:00 AM ADT 20 July 2025

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 20 July 2025 Today Tonight and Monday At 3:00 a.m. ADT today trough located over southern Quebec.
By 8:00 p.m. ADT tonight trough located from the Gulf of
St. Lawrence to the Gulf of Maine.

At 3:30 p.m. ADT Monday trough located on a line north-south over
the eastern Marine District.

At 3:00 a.m. ADT today ridge located over the southern Marine
District.
By 8:00 p.m. ADT tonight departing ridge located over the Grand
Banks.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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