Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 21 April 2021
Today Tonight and Thursday.
Gale warning in effect.
Wind northwest 25 knots backing to west 20 this morning then diminishing to variable 10 to 15 this evening. Wind increasing to south 20 overnight then backing to southeast 25 Thursday morning. Wind increasing to southeast 35 Thursday afternoon.
Rain and fog banks Thursday late in the day.
Waves
Extended Forecast
Ice Forecast
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 20 April 2021 Today Tonight and WednesdayIce Edge
First ice edge estimated from Labrador near 5131N 5647W toNewfoundland near 5122N 5638W. Sea ice east of the ice edge.
Second ice edge estimated from Newfoundland near 5000N 5552W to
5056N 5455W to 5433N 5235W to 5531N 5332W to 5632N 5601W to 5803N
5731W 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 20 April 2021 Today Tonight and WednesdayIce Edge
First ice edge estimated from Labrador near 5131N 5647W toNewfoundland near 5122N 5638W. Sea ice east of the ice edge.
Second ice edge estimated from Newfoundland near 5000N 5552W to
5056N 5455W to 5433N 5235W to 5531N 5332W to 5632N 5601W to 5803N
5731W then northeastward. Sea ice west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 2:30 PM EDT 20 April 2021Iceberg Limit
Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near4736N 5241W to 4805N 5135W to 5400N 5040W to 5500N 5100W to 6000N
5800W to 6050N 5315W to 5715N 4535W then eastwards.
Western iceberg limit at 0000 UTC 21 Apr estimated from Quebec near
5016N 6058W to Newfoundland near 4845N 5830W.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 20 April 2021Iceberg Limit
Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near4736N 5241W to 4805N 5135W to 5400N 5040W to 5500N 5100W to 6000N
5800W to 6050N 5315W to 5715N 4535W then eastwards.
Western iceberg limit at 0000 UTC 21 Apr estimated from Quebec near
5016N 6058W to Newfoundland near 4845N 5830W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Southwestern Grand Banks
Issued 03:00 AM NDT 21 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 21 April 2021 Today Tonight and Thursday At 3:00 a.m. NDT today low 988 mb located east of Funk Island Bank.By 10:00 a.m. NDT today departing low 987 mb located east of Funk
Island Bank.
By 3:00 a.m. NDT Thursday intensifying low 992 mb located over
New Brunswick.
At 3:00 a.m. NDT today ridge located on a line north-south over
the Gulf of St. Lawrence.
By 3:00 a.m. NDT Thursday ridge located on a line
northwest-southeast over Newfoundland.
Marine Weather Statement
Issued 2:49 AM NDT 21 April 2021 An approaching low pressure system will stall over the GaspéPeninsula on Thursday night. Strong to gale force southeasterly winds
will sweep across all waters late Thursday ahead of an intense trough
associated with this low.
Marine interests are advised that gale warnings are in effect for all
waters except Belle Isle Bank, Funk Island Bank, Northern Grand Banks
and Southeastern Grand Banks.
Atlantic - Newfoundland Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast
- Fourchu
- Funk Island Bank
- Gulf - Magdalen
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan
- Mid Labrador Coast
- Northeast Coast - Cape St. John and south
- Northeast Coast - north of Cape St. John
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwest Coast
- South Coast
- South Labrador Coast
- South Labrador Sea
- Strait of Belle Isle - eastern half
- Strait of Belle Isle - western half
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