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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 13 April 2021

Today Tonight and Wednesday.

Gale warning in effect.

Wind northeast 25 knots increasing to northeast 35 early this morning except variable 15 over southern sections. Wind diminishing to east 25 this afternoon except variable 10 to 15 over southern sections tonight. Wind east 25 Wednesday.

Snow or rain becoming rain early this morning. Fog patches.

Waves

Issued 06:00 AM NDT 13 April 2021
Today Tonight and Wednesday. Seas 2 to 3 metres building to 3 to 5 this morning except 5 to 7 over northern sections today.

Extended Forecast

Issued 03:00 AM NDT 13 April 2021
Thursday Wind northeast 25 to 35 knots.
Friday Wind northeast 25 knots.
Saturday Wind east 25 knots.

Ice Forecast

Issued 10:00 AM EDT 12 April 2021 Today Tonight and Tuesday Ice free.  

[ 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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 12 April 2021 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4933N 5430W to 5419N 5139W
to 5619N 5637W to 5803N 5751W then northeastward. Sea ice west of
the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 12 April 2021 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4933N 5430W to 5419N 5139W
to 5619N 5637W to 5803N 5751W then northeastward. Sea ice west of
the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:49 PM EDT 12 April 2021

Iceberg Limit

Iceberg limit at 0000 UTC 13 Apr estimated from Newfoundland near
4725N 5245W to 4730N 5030W to 5120N 4835W to 5500N 5100W to 6000N
5830W to 6030N 5150W then eastwards.

Western iceberg limit at 0000 UTC 13 Apr estimated from the Labrador
coast near 5126N 5701W to Newfoundland near 5102N 5654W.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:49 PM EDT 12 April 2021

Iceberg Limit

Iceberg limit at 0000 UTC 13 Apr estimated from Newfoundland near
4725N 5245W to 4730N 5030W to 5120N 4835W to 5500N 5100W to 6000N
5830W to 6030N 5150W then eastwards.

Western iceberg limit at 0000 UTC 13 Apr estimated from the Labrador
coast near 5126N 5701W to Newfoundland near 5102N 5654W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 03:00 AM NDT 13 April 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 13 April 2021 Today Tonight and Wednesday At 3:00 a.m. NDT today low 995 mb located over the southwestern
Grand Banks.
By 3:00 a.m. NDT Wednesday low 996 mb located over Laurentian Fan.

At 3:00 a.m. NDT today quasi-stationary ridge located over
Labrador Sea.

Marine Weather Statement

Issued 2:55 AM NDT 13 April 2021 A low pressure system over the Southwestern Grand Banks will slowly
drift to lie over Laurentian Fan tonight and Wednesday. Meanwhile, a
ridge of high pressure will remain nearly stationary over the
Labrador Sea. Strong to gale force east to northeasterly winds will
persist over most waters between these two features today before
diminishing over northern waters on Wednesday.

Marine interests are advised that gale warnings are in effect for all
waters except Belle Isle Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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