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Gulf - Magdalen - northeastern half

Forecast

Marine Forecast

Issued 03:30 PM ADT 18 July 2025

Tonight and Saturday.

Gale warning in effect.

Wind west 20 to 25 knots increasing to northwest 25 to 35 late this afternoon then diminishing to westerly 15 late this evening. Wind increasing to southwest 15 to 20 near noon Saturday.

Waves

Issued 05:00 PM ADT 18 July 2025

Gulf - Magdalen - northern half

Tonight and Saturday. Seas 2 to 3 metres subsiding to 1 to 2 late overnight and to 1 or less Saturday evening.

Gulf - Magdalen - southern half

Tonight and Saturday. Seas 2 to 3 metres subsiding to 1 to 2 this evening and to 1 or less Saturday morning.

Extended Forecast

Issued 03:30 PM ADT 18 July 2025
Sunday Wind southwest 15 to 20 knots becoming variable 15 to 20 in the afternoon.
Monday Wind northwest 15 to 20 knots increasing to northwest 20 to 25.
Tuesday Wind northwest 25 to 30 knots diminishing to northwest 15 to 20.

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Weather Conditions

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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 18 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 19 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)

Gale warning in effect

Gulf - Magdalen - northeastern half

Issued 3:30 PM ADT 18 July 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 3:30 PM ADT 18 July 2025 Tonight and Saturday At 3:30 p.m. ADT today low 990 mb located over Labrador.
By 10:00 a.m. ADT Saturday departing low 983 mb located over
Labrador Sea.

At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 10:00 a.m. ADT Saturday ridge located over the southern Marine
District.

Marine Weather Statement

Issued 3:12 PM ADT 18 July 2025 A low pressure system over Labrador will continue to intensify as is
tracks northeastward tonight departing the region. Strong to gale
force westerlies over Gulf of St. Lawrence waters will diminish this
evening.

Marine interests are advised that gale warnings are in effect for
Chaleur - Miscou, Gulf - Magdalen and Anticosti.

St. Lawrence - St. Lawrence River Area

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