Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 01 May 2025
Today Tonight and Friday.
Gale warning in effect.
Wind west 25 knots increasing to west 35 this morning then diminishing to northwest 25 overnight. Wind diminishing to northwest 15 to 20 Friday afternoon and to northwest 10 to 15 Friday evening.
Rain and fog banks ending early this morning. Showers this afternoon and tonight.
Waves
Extended Forecast
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 April 2025 Today Tonight and ThursdayIce Edge
Ice edge estimated from Newfoundland near 4837N 5300W to 4845N 5129Wto 5442N 5216W to 5601N 5609W 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 30 April 2025 Today Tonight and ThursdayIce Edge
Ice edge estimated from Newfoundland near 4837N 5300W to 4845N 5129Wto 5442N 5216W to 5601N 5609W 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 3:25 PM EDT 30 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 1 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 1 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 3:25 PM EDT 30 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 1 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 1 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 03:00 AM 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 3:00 AM NDT 1 May 2025 Today Tonight and Friday At 3:00 a.m. NDT today low 993 mb located over Newfoundland.By 3:00 a.m. NDT Friday low 994 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 2:49 AM NDT 1 May 2025 A low pressure system over Newfoundland will continue to slowly drifteastward today, turning to the north tonight to lie just northeast of
Belle Isle Bank by Friday morning. Strong to gale force west 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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