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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 AM NDT 13 May 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind north 35 to 45 knots backing to northwest 25 to 35 this evening then becoming northwest 25 late overnight. Wind diminishing to variable 10 to 15 Wednesday afternoon then becoming south 15 Wednesday evening.

Flurries or showers ending overnight. Showers Wednesday evening. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Over open water freezing spray over northwestern sections today and this evening.

Temperatures minus 4 to plus 3 rising to plus 3 Wednesday morning.

Waves

Issued 06:00 AM NDT 13 May 2025
Today Tonight and Wednesday. Outside the ice edge seas 5 to 7 metres subsiding to 3 to 5 late overnight and to 2 to 3 Wednesday morning. Seas subsiding to 1 to 2 Wednesday evening.

Extended Forecast

Issued 04:00 AM NDT 13 May 2025
Thursday Wind variable 10 to 15 knots increasing to northwest 25 to 35 in the afternoon.
Friday Wind northwest 25 to 35 knots.
Saturday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 12 May 2025 Today Tonight and Tuesday Bergy water except 3 tenths first-year ice including a trace of old ice in the extreme western section. 

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas Eskasoni (First Nations) Heath Point Bonavista Wreckhouse St.Paul Island Winterland Branch Hill Twillingate Stephenville Airport Burgeo St. Lawrence St. John's Int'l Airport St. Anthony Airport Grates Cove Cape Race Grand Étang Sagona Island North Mountain Port aux Basques Ingonish Beach La Scie Ferolle Point Englee Daniel's Harbour Corner Brook Cartwright Airport East Point West Chedabucto Bay – 44489 Blanc-Sablon Airport East Chedabucto Bay – 44488 Cap Whittle Chevery Banquereau - 44139 Charlottetown Airport Mary's Harbour North Cape Natashquan Airport Argentia J.A. Douglas McCurdy Sydney Airport Berry Hill Long Pond Îles de la Madeleine Airport Miscou Island Marticot Island Pool's Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 May 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 5028N 5619W to 5013N 5502W to 5038N 5414W to 5503N 5344W to 5721N 5652W to 6005N 5803W to 6200N 5622W then northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water except 3 tenths first-year ice including a trace of old ice in the extreme western section.

 

Iceberg Bulletin

Issued 3:16 PM EDT 12 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 13 May estimated from Newfoundland near 4723N 5503W to 4200N 5040W to 4135N 4720W to 4900N 4045W to 5320N 4815W to 5915N 5605W to 5920N 5335W to 5820N 4745W then eastward.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 04:00 AM NDT 13 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.

Freezing spray warning in effect

South Labrador Sea

Issued 04:00 AM NDT 13 May 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 4:00 AM NDT 13 May 2025 Today Tonight and Wednesday At 4:00 a.m. NDT today low 998 mb located east of Funk Island Bank.
By 4:00 a.m. NDT Wednesday quasi-stationary low 993 mb located
southeast of the Marine District.

At 4:00 a.m. NDT today ridge located over central Quebec.
By 4:00 a.m. NDT Wednesday ridge located on a line north-south
over central Labrador.

At 9:30 a.m. NDT Wednesday approaching low 986 mb located over
northern Quebec.

Marine Weather Statement

Issued 3:54 AM NDT 13 May 2025 A low pressure system east of Funk Island Bank will drift further
eastwards away from the district today, and then become nearly
stationary through Wednesday while gradually weakening. Strong to
gale force northwesterlies over much of the district will slowly
diminish as the low moves away and a ridge of high pressure
approaches from the west.

Another low approaching from the west is forecast to track across
Northern Quebec on Wednesday. Strong to gale force southerlies will
develop over northern waters ahead of this system.

Marine interests are advised that gale warnings are in effect for all
waters except Lake Melville.

Marine interests are also advised that freezing spray warnings are in
effect for Mid Labrador Coast, South Labrador Sea, and Northwest
Labrador Sea.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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