Southwestern Grand Banks
Forecast
Marine Forecast
Issued 08:00 PM NDT 22 April 2025
Tonight and Wednesday.
Wind northwest 15 to 20 knots diminishing to variable 10 to 15 late overnight then increasing to south 20 Wednesday afternoon.
Rain Wednesday afternoon and evening. Fog banks forming Wednesday evening.
Waves
Issued 06:00 PM NDT 22 April 2025
Tonight and Wednesday.
Seas 3 to 4 metres subsiding to 2 to 3 this
evening.
Extended Forecast
Issued 03:30 PM NDT 22 April 2025
Thursday
Wind southeast 25 knots veering to southwest
25 in the morning.
Friday
Wind northwest 15 to 20 knots diminishing to
light.
Saturday
Wind west 10 to 15 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 22 April 2025 Today Tonight and WednesdayIce Edge
Ice edge estimated from Newfoundland near 4915N 5328W to 5130N 5033Wto 5343N 5022W to 5526N 5139W to 5701N 5617W to 6133N 5909W to 6200N
5851W 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 22 April 2025 Today Tonight and WednesdayIce Edge
Ice edge estimated from Newfoundland near 4915N 5328W to 5130N 5033Wto 5343N 5022W to 5526N 5139W to 5701N 5617W to 6133N 5909W to 6200N
5851W 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 3:33 PM EDT 22 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 23 Apr estimated from Newfoundland near4731N 5444W to 4110N 5200W to 4135N 4745W to 4725N 3605W to 5415N
4450W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.
Western iceberg limit at 0000 UTC 23 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 3:33 PM EDT 22 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 23 Apr estimated from Newfoundland near4731N 5444W to 4110N 5200W to 4135N 4745W to 4725N 3605W to 5415N
4450W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.
Western iceberg limit at 0000 UTC 23 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 8:00 PM NDT 22 April 2025 Tonight and Wednesday At 8:00 p.m. NDT tonight low 984 mb located east of the MarineDistrict.
By 10:00 a.m. NDT Wednesday departing low 990 mb located east of
the Marine District.
At 8:00 p.m. NDT tonight ridge located on a line north-south over
Cabot Strait.
By 8:00 p.m. NDT Wednesday ridge located on a line
northwest-southeast over the northern Grand Banks.
At 3:00 a.m. NDT Wednesday approaching low 1011 mb located over
Quebec.
Marine Weather Statement
Issued 7:47 PM NDT 22 April 2025 A low pressure system east of the marine district will weaken andslowly depart throughout the forecast period. Strong to gale force
north to northwesterly winds in the wake of the low will gradually
diminish as the low departs.
Marine interests are advised that gale warnings are in effect for
East Coast - north of Cape St. Francis, Belle Isle Bank, Funk Island
Bank, Northern Grand Banks, and Southeastern Grand Banks.
Atlantic - Maritimes Area
- Anticosti
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore
- 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 - eastern half
- Laurentian Fan - western half
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- 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
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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