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Northwest Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 PM NDT 29 April 2025

Tonight and Wednesday.

Gale warning in effect.

Wind northwest 35 knots diminishing to northwest 25 Wednesday afternoon.

Freezing spray warning in effect.

Over open water freezing spray over western sections overnight and Wednesday.

Temperatures plus 2 falling to minus 8 to zero Wednesday morning.

Waves

Issued 06:00 PM NDT 29 April 2025
Tonight and Wednesday. Outside the ice edge seas 2 to 3 metres building to 3 to 4 Wednesday morning then subsiding to 2 to 3 Wednesday evening.

Extended Forecast

Issued 04:00 PM NDT 29 April 2025
Thursday Wind variable 15 knots.
Friday Wind northwest 25 knots.
Saturday Wind light increasing to southeast 25 knots.

Ice Forecast

Issued 10:00 AM EDT 29 April 2025 Today Tonight and Wednesday 1 tenth first-year ice including a trace of old ice except 4 tenths first-year ice including a trace of old ice in the western section. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 29 April 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4837N 5300W to 4849N 5135W
to 5418N 5143W to 5607N 5624W to 6041N 5907W to 6200N 5830W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

1 tenth first-year ice including a trace of old ice except 4 tenths
first-year ice including a trace of old ice in the western section.

 

Iceberg Bulletin

Issued 2:50 PM EDT 29 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 30 Apr estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4715N
3340W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 30 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Northwest Labrador Sea

Issued 9:30 PM NDT 29 April 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.

Freezing spray warning in effect

Northwest Labrador Sea

Issued 9:30 PM NDT 29 April 2025

Moderate or severe freezing spray is 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 9:30 PM NDT 29 April 2025 Tonight and Wednesday At 9:30 p.m. NDT tonight low 988 mb located north of the Northwest
Labrador Sea.
By 9:30 p.m. NDT Wednesday departing low 998 mb located northeast
of Labrador Sea.

At 4:00 p.m. NDT Wednesday building ridge located on a line
northeast-southwest over Quebec.
By 4:00 a.m. NDT Thursday ridge located on a line
northeast-southwest over the Northwest Labrador Sea.

Marine Weather Statement

Issued 9:18 PM NDT 29 April 2025 A low pressure system north of the Labrador Sea will move to lie
northeast of the district on Wednesday. Strong to gale force
southerlies ahead of the low will shift to strong to gale force
northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for
North Labrador Coast, South Labrador Sea, and Northwest Labrador Sea.

Marine interests are also advised that a freezing spray warning is in
effect for Northwest Labrador Sea.

Atlantic - Maritimes Area

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