Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:30 PM NDT 01 May 2025
Tonight and Friday.
Gale warning in effect.
Wind west 35 knots diminishing to northwest 25 Friday morning and to northwest 15 to 20 Friday afternoon.
Showers ending overnight.
Waves
Issued 06:00 PM NDT 01 May 2025
Tonight and Friday.
Seas 4 to 6 metres subsiding to 3 to 4 near noon Friday and to 2
to 3 Friday evening.
Extended Forecast
Issued 03:30 PM NDT 01 May 2025
Saturday
Wind light increasing to southwest 25 knots
late in the day.
Sunday
Wind southwest 25 knots.
Monday
Wind southwest 25 knots veering to northwest
25.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 1 May 2025 Today Tonight and FridayIce Edge
Ice edge estimated from Newfoundland near 4904N 5336W to 4853N 5147Wto 5440N 5230W to 5628N 5621W to 6108N 5855W to 6200N 5830W 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 1 May 2025 Today Tonight and FridayIce Edge
Ice edge estimated from Newfoundland near 4904N 5336W to 4853N 5147Wto 5440N 5230W to 5628N 5621W to 6108N 5855W to 6200N 5830W 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 3:18 PM EDT 1 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 2 May estimated from Newfoundland near4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.
Western iceberg limit at 0000 UTC 2 May 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 3:18 PM EDT 1 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 2 May estimated from Newfoundland near4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.
Western iceberg limit at 0000 UTC 2 May estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Southwestern Grand Banks
Issued 3:30 PM NDT 01 May 2025'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 3:30 PM NDT 1 May 2025 Tonight and Friday At 3:30 p.m. NDT today low 992 mb located over northeasternNewfoundland.
By 3:30 p.m. NDT Friday low 1000 mb located northeast of Belle
Isle Bank.
At 3:00 a.m. NDT Friday approaching ridge located on a line
north-south over the Maritimes.
Marine Weather Statement
Issued 3:24 PM NDT 1 May 2025 A low pressure system over Northeastern Newfoundland will slowlytrack northeastward to lie northeast of Belle Isle Bank by Friday
morning where it will stall. Strong to gale force westerly to
northwesterly winds are expected in the low's wake.
Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle - western half, Northeast Gulf,
East Coast - Cape St. Francis and south, Northern Grand Banks, 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 Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- 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 - northeastern half
- Laurentian Fan - southwestern half
- 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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