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Gulf - Magdalen - southwestern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 05 May 2025

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to variable 10 to 15 early this morning then becoming south 15 near midnight. Wind increasing to south 25 Tuesday evening.

Waves

Issued 05:00 PM ADT 04 May 2025
Tonight and Monday. Seas 1 metre or less building to 1 to 2 near midnight.

Extended Forecast

Issued 03:00 AM ADT 05 May 2025
Wednesday Wind southerly 20 knots.
Thursday Wind southwest 20 knots increasing to north 25 late in the day.
Friday Wind north 20 knots.

Ice Forecast

Issued 10:00 AM EDT 4 May 2025 Today Tonight and Monday Ice free. 

[ Canadian Ice Service ]

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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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 4 May 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Quebec near 5016N 6240W to 5001N 6213W to
4959N 6028W to 5034N 5831W to to Newfoundland near 5014N 5736W. Sea
ice north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:30 PM EDT 4 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 5 May estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.

Western iceberg limit at 0000 UTC 5 May estimated from Quebec near
5020N 6115W to Newfoundland near 4745N 5910W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen - southwestern half

Issued 03:00 AM ADT 05 May 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 5 May 2025 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located from Newfoundland to East
Scotian Slope.
By 10:00 a.m. ADT today departing trough located on a line
northeast-southwest over the Grand Banks.

At 3:00 a.m. ADT today ridge from 1029 mb high located from the
Gaspe Peninsula to West Scotian Slope.
By 8:00 p.m. ADT tonight ridge from 1035 mb high located over the
Marine District.

At 3:30 p.m. ADT Tuesday departing ridge from 1035 mb high located
over the southeastern Marine District.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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