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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 PM NDT 21 May 2026

Tonight and Friday.

Gale warning in effect.

Wind northwest 35 knots except variable 10 to 15 over eastern sections. Wind becoming northeast 25 to 35 near midnight then backing to northwest 35 Friday afternoon.

Snow or rain becoming rain near midnight.

Waves

Issued 06:00 PM NDT 21 May 2026
Tonight and Friday. Outside the ice edge seas 3 to 4 metres building to 4 to 6 late overnight.

Extended Forecast

Issued 04:00 PM NDT 21 May 2026
Saturday Wind northwest 25 to 35 knots.
Sunday Wind northwest 25 knots diminishing to northwest 15 to 20.
Monday Wind northwest 15 to 20 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 21 May 2026 Today Tonight and Friday 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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Weather Conditions

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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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 May 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from Labrador near 5346N 5642W to 5431N 5341W to
5708N 5748W to 5950N 5804W to 6200N 6045W then northeastward. Sea
ice 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 2:30 PM EDT 21 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 May estimated from Newfoundland near
4700N 5520W to 4440N 5120W to 4435N 4540W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5825N 4810W
then northeastward.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 9:30 PM NDT 21 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 9:30 PM NDT 21 May 2026 Tonight and Friday At 9:30 p.m. NDT tonight low 984 mb located northeast of Belle
Isle Bank.
By 4:00 p.m. NDT Friday quasi-stationary low 983 mb located south
of Greenland.

At 9:30 p.m. NDT tonight trough located on a line
northwest-southeast over Labrador Sea.
By 4:00 p.m. NDT Friday trough located on a line east-west over
Belle Isle Bank.

Marine Weather Statement

Issued 9:20 PM NDT 21 May 2026 A low pressure system northeast of Belle Isle Bank will move east to
sit southeast of the region tonight. Strong to gale force
northwesterlies over southern waters will persist behind it.

Meanwhile, a trough extending from the low will sweep southward
across the Labrador Sea tonight. Strong to gale force northerlies to
northwesterlies ahead of the trough will veer to strong to gale force
easterlies to northeasterlies as it passes. Winds will then back to
the northwest as the trough moves away.

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

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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