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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NST 21 January 2021

Tonight and Friday.

Storm warning in effect.

Wind northwest 45 to 55 knots diminishing to west 25 to 35 late overnight and to variable 15 Friday afternoon. Wind increasing to northeast 35 Friday evening.

Snow or rain and fog patches ending near midnight. Risk of thunderstorms this evening. Snow or rain Friday late in the day.

Waves

Issued 06:00 PM NST 21 January 2021
Tonight and Friday. Seas 6 to 8 metres except 8 to 11 over southern sections this evening. Seas subsiding to 4 to 6 late overnight and to 3 Friday afternoon.

Extended Forecast

Issued 03:30 PM NST 21 January 2021
Saturday Wind north 35 knots diminishing to northwest 15 to 20 in the morning.
Sunday Wind variable 15 to 20 knots.
Monday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EST 21 January 2021 Today Tonight and Friday 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
Legend:
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land station Land Station
Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EST 21 January 2021 Today Tonight and Friday

Ice Edge

Ice edge estimated from Newfoundland near 5105N 5545W to 5130N 5430W
to 5220N 5340W to 5500N 5445W to 5800N 5730W 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 21 January 2021 Today Tonight and Friday

Ice Edge

Ice edge estimated from Newfoundland near 5105N 5545W to 5130N 5430W
to 5220N 5340W to 5500N 5445W to 5800N 5730W then northeastward. Sea
ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:15 PM EST 21 January 2021

Iceberg Limit

Iceberg limit at 0000 UTC 22 Jan estimated from Newfoundland near
5049N 5604W to 5105N 5345W to 5700N 5330W to 5935N 5620W to 6430N
5530W to 6000N 5100W to 5640N 4725W then eastwards.

Western iceberg limit at 0000 UTC 22 Jan estimated from the Labrador
coast near 5132N 5649W to Newfoundland near 5120N 5637W.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:15 PM EST 21 January 2021

Iceberg Limit

Iceberg limit at 0000 UTC 22 Jan estimated from Newfoundland near
5049N 5604W to 5105N 5345W to 5700N 5330W to 5935N 5620W to 6430N
5530W to 6000N 5100W to 5640N 4725W then eastwards.

Western iceberg limit at 0000 UTC 22 Jan estimated from the Labrador
coast near 5132N 5649W to Newfoundland near 5120N 5637W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Storm warning in effect

Southwestern Grand Banks

Issued 8:00 PM NST 21 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 8:00 PM NST 21 January 2021 Tonight and Friday At 8:00 p.m. NST tonight low 973 mb located over the southeastern
Grand Banks.
By 8:00 p.m. NST Friday low 986 mb located over northern Funk
Island Bank.

At 10:00 a.m. NST Friday deepening low 998 mb located south of
Nova Scotia.
By 8:00 p.m. NST Friday low 987 mb located over the southwestern
Grand Banks.

Marine Weather Statement

Issued 7:49 PM NST 21 January 2021 An intense low pressure system over the Southeastern Grand Banks will
move to lie over Northern Funk Island Bank Friday evening. Gale to
storm force east to northeasterly winds ahead of the low will shift
to gale to storm force west to northwesterlies in its wake.
Winds will diminish over southern waters on Friday as the low tracks
over Funk Island Bank.

A second low will approach the district from the southwest Friday to
lie over the Southwestern Grand Banks Friday evening. Strong to gale
force southeasterly to northeasterly winds will spread across the
Southern Grand Banks Friday evening ahead of the low.

Marine interests are advised that storm warnings are in effect for
the Grand Banks. Gale warnings are in effect for South Coast, East
Coast, Northeast Coast, Belle Isle Bank, and Funk Island Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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