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South Labrador Sea


Marine Forecast

Issued 04:00 AM NST 03 March 2021

Today Tonight and Thursday.

Gale warning in effect.

Wind east 35 knots backing to northeast 35 to 45 this evening except southwest 25 over southern sections. Wind becoming southeast 25 to 35 late overnight except northeast 45 over northwestern sections. Wind becoming east 35 Thursday morning.

Rain becoming snow or rain this afternoon then flurries Thursday morning. Visibility 1 mile or less in precipitation.

A risk of freezing spray over southwestern sections tonight.

Temperatures plus 3 becoming minus 5 to plus 3 this evening becoming zero Thursday morning.


Issued 06:00 AM NST 03 March 2021
Today Tonight and Thursday. Outside the ice edge seas 5 to 7 metres building to 7 to 10 this morning then subsiding to 5 to 7 Thursday afternoon.

Extended Forecast

Issued 04:00 AM NST 03 March 2021
Friday Wind southeast 25 knots diminishing to southeast 15 to 20 in the afternoon.
Saturday Wind south 20 knots.
Sunday Wind southwest 20 knots.

Ice Forecast

Issued 10:00 AM EST 2 March 2021 Today Tonight and Wednesday Bergy water except 4 tenths first-year ice in the western section. 

[ Canadian Ice Service ]

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Weather Conditions

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

Ice Forecasts

Issued 10:00 AM EST 2 March 2021 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4839N 5303W to 4912N 5250W
to 4950N 5302W to 5412N 5131W to 5803N 5740W then northeastward. Sea
ice west of the ice edge.

Ice Coverage

Bergy water except 4 tenths first-year ice in the western section.


Iceberg Bulletin

Issued 1:30 PM EST 2 March 2021

Iceberg Limit

Iceberg limit at 0000 UTC 3 Mar estimated from Newfoundland near
4914N 5332W to 5100N 4930W to 5500N 5130W to 6010N 5700W to 6020N
5550W to 5745N 5225W to 5700N 4520W then eastwards.

Western iceberg limit at 0000 UTC 3 Mar estimated from the Labrador
coast near 5147N 5642W to Newfoundland near 5118N 5618W.

Iceberg Count

Unknown number of icebergs.

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 04:00 AM NST 03 March 2021

'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.


Technical Marine Synopsis

Issued 4:00 AM NST 3 March 2021 Today Tonight and Thursday At 4:00 a.m. NST today trough located over Belle Isle Bank.
By 4:00 a.m. NST Thursday trough located on a line
northeast-southwest over the South Labrador Sea.

At 4:00 p.m. NST today quasi-stationary low 976 mb located over
southeastern Labrador.

Marine Weather Statement

Issued 4:03 AM NST 3 March 2021 A trough of low pressure over Belle Isle Bank will move northward
towards the Labrador Sea today then westward towards the Labrador
coast tonight. Meanwhile, an intense low pressure system will form
over Southeastern Labrador this afternoon then meander around in that
general vicinity for the next few days. Strong to gale force
easterly to northeasterly winds over most waters will increase to
gale to storm force later today ahead of the trough. Behind the
trough, strong to gale force southeasterly to northeasterly winds
will persist.

Marine interests are advised that a storm warning is in effect for
East Labrador Sea. Gale warnings are in effect for all remaining
waters except Lake Melville.

Atlantic - Newfoundland Area

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Go prepared with Highway 93 forecasts. Highway regions are available in the Alberta text forecast bulletin between Lake Louise and Jasper. (Photo by: Natalie Anderson)

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