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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NST 16 January 2021

Today Tonight and Sunday.

Storm warning in effect.

Wind northwest 55 knots diminishing to northwest 35 to 45 near noon and to north 25 this evening. Wind diminishing to variable 15 to 20 overnight then becoming southeast 20 Sunday morning. Wind increasing to southeast 30 Sunday afternoon.

Rain ending this afternoon. Rain and fog patches Sunday late in the day.

Waves

Issued 06:00 AM NST 16 January 2021

Southwestern Grand Banks - eastern half

Today Tonight and Sunday. Seas 7 to 9 metres subsiding to 5 to 7 early this evening and to 3 to 5 late overnight. Seas subsiding to 2 to 3 near noon Sunday.

Southwestern Grand Banks - western half

Today Tonight and Sunday. Seas 7 to 9 metres subsiding to 5 to 7 this morning and to 3 to 5 this evening. Seas subsiding to 2 to 3 Sunday morning then building to 3 to 5 Sunday afternoon.

Extended Forecast

Issued 03:00 AM NST 16 January 2021
Monday Wind southwest 25 knots diminishing to variable 15 late in the day.
Tuesday Wind southeast 35 to 45 knots becoming west 45.
Wednesday Wind west 35 to 45 knots diminishing to west 25.

Ice Forecast

Issued 10:00 AM EST 15 January 2021 Today Tonight and Saturday Ice free.  

[ Canadian Ice Service ]

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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

Southwestern Grand Banks

Issued 10:00 AM EST 15 January 2021 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 5105N 5545W to 5155N 5425W
to 5305N 5405W to 5800N 5800W then northeastward. Sea ice west of
the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 15 January 2021 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 5105N 5545W to 5155N 5425W
to 5305N 5405W to 5800N 5800W then northeastward. Sea ice west of
the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:36 PM EST 15 January 2021

Iceberg Limit

Iceberg limit at 0000 UTC 16 Jan estimated from the Labrador coast
near 5201N 5546W to 5145N 5400W to 5700N 5400W to 5935N 5620W to
6430N 5530W to 6000N 5100W to 5640N 4725W then eastwards.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:36 PM EST 15 January 2021

Iceberg Limit

Iceberg limit at 0000 UTC 16 Jan estimated from the Labrador coast
near 5201N 5546W to 5145N 5400W to 5700N 5400W to 5935N 5620W to
6430N 5530W to 6000N 5100W to 5640N 4725W then eastwards.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Storm warning in effect

Southwestern Grand Banks

Issued 03:00 AM NST 16 January 2021

'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. 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 16 January 2021 Today Tonight and Sunday At 3:00 a.m. NST today low 972 mb located over the southeastern
Grand Banks.
By 3:00 a.m. NST Sunday low 983 mb located east of the Grand Banks.

At 3:00 a.m. NST Sunday approaching trough located over Maine.

Marine Weather Statement

Issued 3:00 AM NST 16 January 2021 An intense low pressure system over the Extreme Southeastern Grand
Banks will track eastwards to lie east of the Grand Banks Sunday
morning. Strong to gale force east to northeasterlies ahead of the
low will shift to gale to storm force north to northwesterlies in its
wake. Winds will briefly diminish on Sunday as the low departs.

Meanwhile, a trough of low pressure will approach from the west on
Sunday. Strong to gale force southeasterlies will develop over
southwestern waters ahead of this trough.

Marine interests are advised that storm warnings are in effect for
East Coast - Cape St. Francis and south, Northern Grand Banks -
western half, Southeastern Grand Banks - western half, and
Southwestern Grand Banks. Gale warnings are in effect for all
remaining waters except Strait of Belle Isle, Northeast Coast and
Belle Isle Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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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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