Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 11 April 2021
Today Tonight and Monday.
Wind northwest 20 knots backing to west 15 this morning then becoming variable 10 to 15 this afternoon. Wind increasing to northeast 20 overnight except light over northern sections Monday afternoon and evening. Wind becoming northeast 15 to 20 Monday evening except northeast 25 over southern sections.
Flurries or showers.
Waves
Issued 06:00 PM NDT 10 April 2021
Tonight and Sunday.
Seas 2 to 3 metres except 3 to 4 over southern sections this
evening.
Extended Forecast
Issued 03:00 AM NDT 11 April 2021
Tuesday
Wind northeast 25 to 35 knots backing to north
35 to 45 in the morning.
Wednesday
Wind north 25 to 35 knots.
Thursday
Wind north 25 to 35 knots.
Ice Forecast
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 10 April 2021 Today Tonight and SundayIce Edge
Ice edge estimated from Newfoundland near 4933N 5430W to 5121N 5243Wto 5457N 5112W to 5551N 5257W to 5630N 5625W 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 10 April 2021 Today Tonight and SundayIce Edge
Ice edge estimated from Newfoundland near 4933N 5430W to 5121N 5243Wto 5457N 5112W to 5551N 5257W to 5630N 5625W 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 2:30 PM EDT 10 April 2021Iceberg Limit
Iceberg limit at 0000 UTC 11 Apr estimated from Newfoundland near4735N 5243W to 4740N 5045W to 5140N 4835W to 5500N 5100W to 6000N
5830W to 6030N 5150W then eastwards.
Western iceberg limit at 0000 UTC 11 Apr estimated from Quebec near
5125N 5709W to Newfoundland near 5100N 5702W.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 10 April 2021Iceberg Limit
Iceberg limit at 0000 UTC 11 Apr estimated from Newfoundland near4735N 5243W to 4740N 5045W to 5140N 4835W to 5500N 5100W to 6000N
5830W to 6030N 5150W then eastwards.
Western iceberg limit at 0000 UTC 11 Apr estimated from Quebec near
5125N 5709W to Newfoundland near 5100N 5702W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 11 April 2021 Today Tonight and Monday At 3:00 a.m. NDT today departing low 990 mb located southeast ofthe Grand Banks.
At 3:00 a.m. NDT today trough located over the Avalon Peninsula.
By 8:00 p.m. NDT tonight low 999 mb located east of Cape Breton
Island.
Marine Weather Statement
Issued 2:41 AM NDT 11 April 2021 A trough of low pressure extending from the Southeastern Grand Banksto Northeast Gulf will strengthen into a low pressure system this
afternoon and move to lie east of Cape Breton Island this evening.
Strong to gale force southeast to northeasterlies over eastern waters
will spread over the gulf today as the low strengthens. Gales will
spread over the Southwest Coast on Monday evening.
Marine interests are advised that gale warnings are in effect for all
waters except the South Coast, East Coast Cape St. Francis and south
and the Southern Grand Banks.
Atlantic - Newfoundland Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Belle Isle Bank - northwestern half
- Belle Isle Bank - southeastern half
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore - eastern half
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan
- Mid Labrador Coast
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Sable - eastern half
- 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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