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Gulf - Magdalen - northeastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 01 May 2025

Today Tonight and Friday.

Gale warning in effect.

Wind northwest 40 knots diminishing to northwest 25 early this afternoon and to northwest 10 to 15 after midnight. Wind diminishing to light Friday morning then becoming southeast 15 Friday evening.

Flurries ending early this morning. Scattered showers Friday evening.

Waves

Issued 05:00 AM ADT 01 May 2025
Today Tonight and Friday. Seas 4 to 6 metres subsiding to 3 to 4 this morning and to 2 this afternoon. Seas subsiding to 1 or less late overnight.

Extended Forecast

Issued 03:00 AM ADT 01 May 2025
Saturday Wind south 25 knots diminishing to variable 10 to 15 in the afternoon.
Sunday Wind light increasing to west 25 knots late in the day.
Monday Wind northwest 15 knots diminishing to light late in the day.

Ice Forecast

Issued 10:00 AM EDT 30 April 2025 Today Tonight and Thursday Ice free. 

[ 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 30 April 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5013N 6207W to 4959N 6152W to
4959N 6028W to 5053N 5806W to Newfoundland near 5029N 5728W. Sea ice
north then east of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 3:25 PM EDT 30 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 1 May estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 1 May estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Magdalen - northeastern half

Issued 03:00 AM ADT 01 May 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 3:00 AM ADT 1 May 2025 Today Tonight and Friday At 3:00 a.m. ADT today low 993 mb located over Newfoundland.
By 3:30 p.m. ADT today departing low 994 mb located east of
Newfoundland.

At 8:00 p.m. ADT tonight ridge located on a line north-south over
the western Marine District.
By 8:00 p.m. ADT Friday ridge located over the eastern Marine
District.

At 3:30 p.m. ADT Friday approaching low 999 mb located over Quebec.

Marine Weather Statement

Issued 2:51 AM ADT 1 May 2025 A low pressure system over Newfoundland will continue tracking
eastward today departing the region east of Newfoundland tonight.
Strong to gale force northwest winds over eastern waters will
gradually diminish as the low moves away.

Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan - northeastern half, Cabot Strait,
Northumberland Strait - eastern half, Gulf-Magdalen and Anticosti.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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