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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NST 12 December 2019

Today Tonight and Friday.

Gale warning in effect.

Wind north 15 knots except southwest 35 over southern sections. Wind becoming northwest 25 this morning then increasing to west 35 late this afternoon. Wind veering to northwest 25 to 35 near midnight then becoming northwest 25 Friday morning. Wind diminishing to northwest 15 near noon Friday.

Rain and fog patches changing to flurries or showers near noon.

Waves

Issued 06:00 PM NST 11 December 2019
Tonight and Thursday. Seas 5 to 7 metres subsiding to 3 to 5 Thursday morning.

Extended Forecast

Issued 03:00 AM NST 12 December 2019
Saturday Wind variable 10 to 15 knots increasing to southeast 25 in the afternoon and to southeast 35 late in the day.
Sunday Wind south 35 knots veering to southwest 35 to 45 late in the day.
Monday Wind southwest 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EST 11 December 2019 Today Tonight and Thursday Ice free.  

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas Banquereau - 44139 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

Southwestern Grand Banks

Issued 10:00 AM EST 11 December 2019 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5330W to 4945N 5405W
to 5010N 5520W to 5310N 5510W to 5445N 5635W to 5605N 5950W to 6025N
6415W then northwestward. Sea ice southwest then west of the ice
edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 11 December 2019 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5330W to 4945N 5405W
to 5010N 5520W to 5310N 5510W to 5445N 5635W to 5605N 5950W to 6025N
6415W then northwestward. Sea ice southwest then west of the ice
edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 11:00 AM EST 11 December 2019

Iceberg Limit

Iceberg limit at 0000 UTC 12 Dec estimated from the Labrador coast
near 5145N 5622W to 5145N 5500W to 5230N 5400W to 5445N 5400W to
5800N 5700W to 5900N 5700W to 6000N 5300W to 5800N 4900W then
eastwards.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 11:00 AM EST 11 December 2019

Iceberg Limit

Iceberg limit at 0000 UTC 12 Dec estimated from the Labrador coast
near 5145N 5622W to 5145N 5500W to 5230N 5400W to 5445N 5400W to
5800N 5700W to 5900N 5700W to 6000N 5300W to 5800N 4900W then
eastwards.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 03:00 AM NST 12 December 2019

'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 3:00 AM NST 12 December 2019 Today Tonight and Friday At 3:00 a.m. NST today quasi-stationary low 968 mb located over
eastern Labrador Sea.

At 3:00 a.m. NST today trough located on a line northeast-southwest
over the Grand Banks.
By 3:30 p.m. NST today departing trough from low located southeast
of the Grand Banks.

At 3:00 a.m. NST today trough located over the St. Lawrence River.
By 3:00 a.m. NST Friday departing trough located over Funk Island
Bank.

Marine Weather Statement

Issued 2:40 AM NST 12 December 2019 An intense low pressure system over the East Labrador Sea will cause
gale to storm force westerlies to persist over the Belle Isle Bank
through the forecast period.

A trough of low pressure over the Grand Banks will slowly track
eastward and exit the marine district later today. Gale force
southwesterlies can be expected ahead of the trough today.

A second trough of low pressure will cross the district today and
tonight. Strong to gale force westerlies are expected over most
waters to the south of and behind this feature.

Marine interests are advised that a storm warning is in effect for
Belle Isle Bank. Gale warnings are in effect for all remaining waters
except Northeast Gulf.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except the Southern Grand Banks.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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