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Gulf - Magdalen - southern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 18 April 2025

Tonight and Saturday.

Strong wind warning in effect.

Wind southwesterly 15 knots increasing to southerly 20 early Saturday evening.

Showers and fog patches Saturday afternoon and evening.

Waves

Issued 05:00 PM ADT 18 April 2025

Gulf - Magdalen - northeastern half

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

Gulf - Magdalen - southwestern half

Tonight and Saturday. Seas 1 metre or less.

Extended Forecast

Issued 03:30 PM ADT 18 April 2025
Sunday Wind west 25 to 30 knots increasing to northwest 35 late in the day.
Monday Wind northwest 40 knots.
Tuesday Wind northwest 25 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 18 April 2025 Today Tonight and Saturday Open water. 

[ Canadian Ice Service ]

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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 18 April 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4700N 6449W to
4831N 6351W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.

Second ice edge estimated from Quebec near 4904N 6646W to 5005N
6518W to 4936N 5930W to Newfoundland near 5022N 5732W. Sea ice north
of the ice edge.

Ice Coverage

Open water.

 

Iceberg Bulletin

Issued 4:39 PM EDT 18 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 19 Apr estimated from Newfoundland near
4731N 5444W to 4125N 5145W to 4210N 4800W to 4645N 3750W to 5350N
4430W to 5915N 5605W to 6035N 5500W to 5900N 4930W then eastwards.

Western iceberg limit at 0000 UTC 19 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen - southern half

Issued 8:00 PM ADT 18 April 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 8:00 PM ADT 18 April 2025 Tonight and Saturday At 8:00 p.m. ADT tonight ridge located over the southern Marine
District.
By 3:00 a.m. ADT Saturday ridge located south of the Marine
District.

At 3:00 a.m. ADT Saturday trough located over the Great Lakes.
By 8:00 p.m. ADT Saturday trough located over the Gaspe Peninsula.

Marine Weather Statement

Issued 7:27 PM ADT 18 April 2025 A ridge of high pressure over the southern marine district will move
off to the southeast tonight. Meanwhile a trough of low pressure will
move to lie over the Gaspé Peninsula by Saturday evening. Strong to
gale force southwesterlies will develop across the district Saturday
in between these two features.

Marine interests are advised that gale warnings are in effect for
Browns Bank, Georges Bank, LaHave Bank, West Scotian Slope, eastern
shore - eastern half, Sable, East Scotian Slope and Fourchu.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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