Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 31 March 2023
Today Tonight and Saturday.
Wind east 15 to 20 knots backing to northeast 25 this afternoon except northwest 25 over southern sections this evening. Wind diminishing to northwest 20 overnight then backing to west 10 to 15 Saturday morning. Wind increasing to south 30 Saturday evening.
Showers or flurries today and this evening. Rain Saturday evening.
Waves
Issued 06:00 PM NDT 30 March 2023
Tonight and Friday.
Seas 2 to 3 metres building to 3 to 5 Friday
afternoon.
Extended Forecast
Issued 03:00 AM NDT 31 March 2023
Sunday
Wind southwest 35 to 45 knots diminishing to
west 25 late in the day.
Monday
Wind west 25 to 35 knots.
Tuesday
Wind southwest 25 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 30 March 2023 Today Tonight and FridayIce Edge
Ice edge estimated from Newfoundland near 4638N 5310W to 4630N 5217Wto 4831N 5141W to 5045N 5453W to 5444N 5303W to 5803N 5756W then
northeastward. Sea ice north then west of the ice edge.
Ice Coverage
Bergy water.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 30 March 2023 Today Tonight and FridayIce Edge
Ice edge estimated from Newfoundland near 4638N 5310W to 4630N 5217Wto 4831N 5141W to 5045N 5453W to 5444N 5303W to 5803N 5756W then
northeastward. Sea ice north then west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 3:35 PM EDT 30 March 2023Iceberg Limit
Iceberg limit at 0000 UTC 31 Mar estimated from Newfoundland near4655N 5525W to 4425N 5320W to 4400N 4700W to 4800N 4400W to 5835N
5540W to 5910N 5040W then eastwards.
Western iceberg limit at 0000 UTC 31 Mar estimated from Quebec near
5015N 6058W to Newfoundland near 4840N 5829W.
Iceberg Count
No confirmed icebergs except less than 10 icebergs north of theiceberg limit.
Iceberg Bulletin
Tail of the Grand Banks
Issued 3:35 PM EDT 30 March 2023Iceberg Limit
Iceberg limit at 0000 UTC 31 Mar estimated from Newfoundland near4655N 5525W to 4425N 5320W to 4400N 4700W to 4800N 4400W to 5835N
5540W to 5910N 5040W then eastwards.
Western iceberg limit at 0000 UTC 31 Mar estimated from Quebec near
5015N 6058W to Newfoundland near 4840N 5829W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 31 March 2023 Today Tonight and Saturday At 3:00 a.m. NDT today deepening low 1006 mb located south of theGrand Banks.
By 3:00 a.m. NDT Saturday low 980 mb located southeast of the
Grand Banks.
At 3:00 a.m. NDT today trough located on a line northwest-southeast
over Cape Breton Island.
By 3:30 p.m. NDT today trough located on a line northwest-southeast
over the southwestern Grand Banks.
At 3:00 a.m. NDT today ridge located from Labrador to Funk Island
Bank.
By 3:00 a.m. NDT Saturday ridge located from the Northeast Coast
of Newfoundland to Banquereau.
Marine Weather Statement
Issued 2:38 AM NDT 31 March 2023 A low pressure system will pass southeast of the Grand Banks latertoday and tonight. Strong to gale force northeasterlies will develop
over southeastern waters as the low approaches. Winds will back to
strong to gale force northwesterlies as the low departs the district
Saturday morning.
Marine interests are advised that gale warnings are in effect for
Northern Grand Banks - eastern half and Southeastern Grand Banks.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable - eastern half
- Sable - western half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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