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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 PM NDT 12 May 2026

Tonight and Wednesday.

Gale warning in effect.

Wind variable 10 to 15 knots increasing to northeast 20 late overnight then backing to north 25 Wednesday morning. Wind increasing to north 35 Wednesday afternoon.

Periods of rain or snow overnight and Wednesday. Fog patches dissipating late overnight. Visibility 1 mile or less in fog patches and in precipitation.

Waves

Issued 06:00 PM NDT 12 May 2026
Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 near noon Wednesday and to 3 to 5 Wednesday afternoon.

Extended Forecast

Issued 04:00 PM NDT 12 May 2026
Thursday Wind northwest 35 to 45 knots veering to north 25 to 35 in the afternoon.
Friday Wind northwest 15 to 20 knots.
Saturday Wind northwest 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 12 May 2026 Today Tonight and Wednesday Bergy water except 2 tenths first-year ice including a trace of old ice in the western section. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 12 May 2026 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Quebec near 5134N 5643W to
Newfoundland near 5138N 5554W. Sea ice northeast of the ice edge.

Second ice edge estimated from Newfoundland near 5000N 5531W to
5130N 5300W to 5515N 5300W to 5636N 5618W to 6200N 6024W then
northeastward. Sea ice west of the ice edge.

Ice Coverage

Bergy water except 2 tenths first-year ice including a trace of old
ice in the western section.

 

Iceberg Bulletin

Issued 3:29 PM EDT 12 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 May estimated from Newfoundland near
4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 6000N 5300W to 5840N 4940W to
5755N 4530W then northeastward.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 4:00 PM NDT 12 May 2026

'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 4:00 PM NDT 12 May 2026 Tonight and Wednesday At 4:00 p.m. NDT today low 998 mb located north of Labrador Sea.
By 4:00 a.m. NDT Wednesday departing low 1004 mb located over
Davis Strait.

At 4:00 p.m. NDT today intensifying low 1002 mb located south
of Newfoundland.
By 4:00 p.m. NDT Wednesday low 988 mb located over Belle Isle Bank.

Marine Weather Statement

Issued 4:00 PM NDT 12 May 2026 An intensifying low pressure system approaching from the south will
cross Newfoundland tonight and further deepen as it moves to lie
north of the island on Wednesday. Strong to gale force north to
northwesterlies will develop over southern waters ahead of the low.

Marine interests are advised that gale warnings are in effect for
South Labrador Coast, Mid Labrador Coast - Hopedale and south, and
South Labrador Sea.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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