Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 26 April 2025
Today Tonight and Sunday.
Wind light increasing to south 15 knots overnight and to southeast 25 Sunday morning. Wind veering to south 30 Sunday evening.
Periods of rain Sunday. Fog patches forming Sunday evening.
Waves
Issued 06:00 AM NDT 26 April 2025
Today Tonight and Sunday.
Seas 1 to 2 metres building to 2 to 3 near noon Sunday and to 3
to 4 Sunday evening.
Extended Forecast
Issued 03:00 AM NDT 26 April 2025
Monday
Wind south 35 knots diminishing to variable 10
to 15 in the afternoon.
Tuesday
Wind northwest 10 to 15 knots.
Wednesday
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 25 April 2025 Today Tonight and SaturdayIce Edge
Ice edge estimated from Newfoundland near 4915N 5328W to 4935N 5202Wto 5449N 5151W to 5629N 5651W to 6129N 5944W to 6200N 5900W 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 25 April 2025 Today Tonight and SaturdayIce Edge
Ice edge estimated from Newfoundland near 4915N 5328W to 4935N 5202Wto 5449N 5151W to 5629N 5651W to 6129N 5944W to 6200N 5900W 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 2:30 PM EDT 24 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 25 Apr estimated from Newfoundland near4731N 5444W to 4055N 5215W to 4125N 4740W to 4705N 3500W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.
Western iceberg limit at 0000 UTC 25 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
No confirmed icebergs except less than 10 icebergs northeast of theiceberg limit.
Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 24 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 25 Apr estimated from Newfoundland near4731N 5444W to 4055N 5215W to 4125N 4740W to 4705N 3500W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.
Western iceberg limit at 0000 UTC 25 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 26 April 2025 Today Tonight and Sunday At 3:00 a.m. NDT today ridge located from the Gulf of St. Lawrenceto the Grand Banks.
By 3:00 a.m. NDT Sunday ridge located over the southeastern
Grand Banks.
At 3:00 a.m. NDT today deepening low 1008 mb located over southern
Ontario.
By 3:00 a.m. NDT Sunday low 1000 mb located over New England.
Marine Weather Statement
Issued 2:56 AM NDT 26 April 2025 A developing low pressure system over Southern Ontario will move tolie over New England tonight then the Maritimes on Sunday.
Winds will increase to strong to gale force southeasterlies for most
waters as the low approaches.
Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, East Coast, Funk Island Bank, and
Northern Grand Banks.
Atlantic - Maritimes Area
- Anticosti
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - eastern half
- Gulf - Magdalen - western 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
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast - Ramea and east
- Southwest Coast - west of Ramea
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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