Survey operations in 2024

Hydrographic and scientific survey vessels, often towing long arrays.

issued in 2024
254
still in force
3
vs 2023
-69%
first · last
01-01 · 12-30

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so this year is under-counted.

By month

J
F
M
A
M
J
J
A
S
O
N
D

By NAVAREA series

  • HYDROPAC144
  • HYDROLANT64
  • NAVAREA IV39
  • HYDROARC4
  • NAVAREA XII3

Where · top seas

South Atlantic Ocean3819%
Arabian Sea3719%
Indian Ocean2613%
South Pacific Ocean2010%
North Atlantic Ocean189%
Gulf of Mexico147%
Caribbean Sea126%
Bay of Bengal116%
Laccadive Sea105%
Black Sea95%

All survey operations issued in 2024 · 254

  1. HYDROLANT 2607/24in force2024-12-30
    Underwater operations in the Black Sea off Romania from 5 January 2025 to 31 December 2026, wide berth requested.
    Black Sea · Romania
  2. HYDROARC 283/24in force2024-12-17
    Four scientific moorings established in Beaufort and Chukchi Seas off Alaska at various positions and depths.
    Beaufort Sea · Chukchi Sea · Alaska
  3. HYDROPAC 1571/242024-05-10 → 2026-08-14
    Underwater operations are underway by vessel Investigator in Bass Strait, Australia, within a defined area; one mile berth requested.
    Bass Strait · Australia
  4. HYDROPAC 1564/242024-05-10 → 2024-05-10
    Underwater operations in progress until further notice by M/V investigator along trackline joining 37-57.00S…
    Bass Strait · Australia
  5. NAVAREA IV 517/242024-05-08 → 2026-08-14
    Navigational warning lists positions of numerous mobile offshore drilling units as of 081630Z May.
  6. HYDROPAC 1540/242024-05-08 → 2026-08-14
    Survey operations by vessel Horizon Geobay are underway in the Persian Gulf off Qatar from May 8 until further notice; wide berth requested.
    Persian Gulf · Qatar
  7. HYDROPAC 1537/242024-05-08 → 2024-06-09
    Survey operations in progress until 08 jun by M/V vyacheslav tikhonov in area bound by 19-58.07N 071-28.78E,…
    Arabian Sea · Gulf of Khambhat · India
  8. HYDROPAC 1533/242024-05-08 → 2024-05-10
    Underwater operations in progress until further notice by M/V deep orient in area bound by 21-08.46S…
    Eastern Indian Ocean · Australia
  9. NAVAREA IV 514/242024-05-07 → 2024-05-21
    Trinidad and tobago
    Western North Atlantic
  10. HYDROPAC 1525/242024-05-07 → 2026-08-14
    Survey operations by vessel SW Thuridur towing ten eight-meter cables in the South China Sea near the Philippines began May 8 and continue until further notice.
    South China Sea · Philippines
  11. HYDROPAC 1514/242024-05-06 → 2024-06-01
    Survey operations in progress until 31 may by M/V teja in area bound by 07-53.47N 077-36.05E, 08-04.98N…
    Gulf of Mannar · Northern Indian Ocean · India
  12. HYDROPAC 1513/242024-05-06 → 2024-05-16
    Underwater operations in progress until 15 may by M/V, WILCHIEF-1, M/V freight 54, M/V sea conquest, M/V sea…
    Arabian Sea · India
  13. HYDROPAC 1498/242024-05-05 → 2024-05-08
    Underwater operations in progress until further notice by M/V bold explorer in area bound by 36-00S 135-35E,…
    Great Australian Bight · Australia
  14. HYDROPAC 1481/242024-05-03 → 2024-05-22
    Underwater operations 04 thru 21 may by submersible shinkai 6500 and M/V yokosuka in area bound by 28-22.00N…
    Philippine Sea
  15. HYDROPAC 1479/242024-05-03 → 2024-06-16
    Survey operations in progress until 15 jun by M/V orion laxmi in area bound by 20-56.26N 072-19.68E,…
    Arabian Sea · Gulf of Khambhat · India
  16. HYDROPAC 1478/242024-05-03 → 2024-05-16
    Survey operations in progress until 15 may by M/V jt odyssey 1 and M/V aht creative 1 in vicnity of…
    Arabian Sea · India
  17. HYDROLANT 942/242024-05-03 → 2024-07-03
    Survey operations in progress until 02 jul by M/V atlantic guardian in area bound by 20-20.58S 038-21.07W,…
    Western South Atlantic · Brazil
  18. HYDROPAC 1463/242024-05-03 → 2026-08-14
    Underwater operations are in progress in the Timor Sea near Australia by the vessel Seven Oceans at 09-49.28S 130-16.01E until further notice. Three mile berth requested.
    Timor Sea · Australia
  19. HYDROPAC 1460/242024-05-02 → 2024-07-27
    Survey operations in progress until 26 jul by M/V hai yang shi you 721 in area bound by 07-25.16S…
    Eastern South Pacific · Peru
  20. NAVAREA IV 489/242024-05-01 → 2024-05-08
    NAVAREA IV mobile offshore drilling units positions at 011330Z may: a. agosto 12 19-23.0N 092-03.1W
  21. HYDROPAC 1439/242024-05-01 → 2024-08-03
    Survey operations 02 may thru 02 aug by M/V sw empress in area bound by 11-09.00N 080-13.00E, 11-33.00N…
    Bay of Bengal · India
  22. HYDROLANT 910/242024-04-29 → 2024-05-09
    Underwater operations 29 apr thru 08 may in area bound by 44-04.74N 029-10.34E, 43-52.28N 030-04.25E,…
    Black Sea · Romania
  23. HYDROPAC 1398/242024-04-28 → 2024-05-08
    Underwater operations in progress until further notice by M/V deep orient in area bound by 21-27.09S…
    Eastern Indian Ocean · Australia
  24. HYDROARC 64/242024-04-26 → 2026-08-14
    Survey operations in Norwegian Sea continue indefinitely, vessel towing 14 six-mile-long cables, seven-mile berth requested.
    Norwegian Sea
  25. HYDROLANT 877/242024-04-25 → 2024-06-01
    Survey operations in progress until 31 may in area bound by 44-08.24N 028-40.41E, 44-08.34N 028-40.03E,…
    Black Sea · Romania
  26. NAVAREA IV 465/242024-04-24 → 2024-05-01
    NAVAREA IV mobile offshore drilling units positions at 241415Z apr: a. agosto 12 19-23.0N 092-03.1W
  27. HYDROLANT 872/242024-04-24 → 2024-07-01
    Survey operations in progress until 30 jun by M/V ng driller along trackline joining 39-13.99N 007-49.47E,…
    Western Mediterranean Sea · Sardinia
  28. HYDROLANT 871/242024-04-24 → 2024-08-31
    Survey operations in progress until 30 aug by M/V durable along trackline joining 41-22.68N 006-04.83E,…
    Western Mediterranean Sea · Sardinia
  29. HYDROPAC 1351/242024-04-24 → 2024-05-16
    Underwater operations in progress until 15 may by seamec glorious along trackline joining 20-36.00N…
    Arabian Sea · Gulf of Khambhat · India
  30. HYDROPAC 1350/242024-04-24 → 2024-05-24
    Survey operations in progress until 23 may by M/V samudra sarvekshak in area bound by 20-56.25N 072-34.27E,…
    Arabian Sea · Gulf of Khambhat · India
  31. HYDROPAC 1322/242024-04-23 → 2024-05-07
    Underwater operations in progress until further notice by M/V limitless in area bound by 21-26.47S…
    Eastern Indian Ocean · Australia
  32. HYDROPAC 1321/242024-04-22 → 2026-08-14
    Survey operations by vessel Skandi Hercules are in progress in the Eastern Indian Ocean off Australia until further notice; a three-mile berth is requested.
    Eastern Indian Ocean · Australia
  33. HYDROLANT 858/242024-04-22 → 2024-05-26
    Survey operations in progress until 25 may by M/V ramform tethys towing 12 8000 meter long cables in area…
    North Sea
  34. HYDROLANT 846/242024-04-21 → 2024-05-20
    Underwater operations in progress until 19 may in 23-04.0S 043-02.5W
    Western South Atlantic · Brazil
  35. HYDROPAC 1299/242024-04-21 → 2024-04-23
    Underwater operations in progress until further notice by M/V happy sky in 12-14.5S 130-39.2E
    Timor Sea · Australia
  36. NAVAREA IV 445/242024-04-19 → 2024-04-19
    Underwater operations in progress until further notice by M/V noble discoverer in 11-32.66N 073-34.52W
    Caribbean Sea · Colombia
  37. HYDROPAC 1278/242024-04-19 → 2024-04-24
    Underwater operations in progress until further notice by M/V bold explorer in area bound by 31-37.00S…
    Southeastern Indian Ocean · Australia
  38. HYDROPAC 1274/242024-04-18 → 2024-06-30
    Underwater operations in progress until 301830Z jun by M/V K10030 and M/V koole 31 in area bound by…
    Arabian Sea · India
  39. HYDROPAC 1273/242024-04-18 → 2024-05-31
    Survey operations in progress until 311730Z may by M/V focus rainbow in area bound by 21-11.54N 072-32.65E,…
    Gulf of Khambhat · India
  40. HYDROLANT 827/242024-04-18 → 2026-08-14
    Survey operations are in progress in the Irish Sea off England by M/V SW Amundsen towing seven 2200-meter cables. A three-mile berth is requested.
    Irish Sea · England
  41. HYDROPAC 1264/242024-04-17 → 2026-08-14
    Survey operations by a wave glider are in progress near Easter Island until further notice, and a wide berth is requested.
    Eastern South Pacific · Isla de Pascua (easter Island)
  42. HYDROLANT 824/242024-04-17 → 2024-04-29
    Survey operations 19 apr thru 28 may by M/V thalassa along trackline joining 47-50.31N 004-08.86W, 43-22.95N…
    Bay of Biscay · France
  43. HYDROPAC 1263/242024-04-17 → 2024-04-21
    Survey operations in progress until further notice by M/V bgp innovator and M/V bgl 210 in area bound by…
    Persian Gulf · Qatar
  44. NAVAREA IV 436/242024-04-17 → 2024-04-24
    NAVAREA IV mobile offshore drilling units positions at 171400Z apr: a
  45. HYDROLANT 816/242024-04-17 → 2024-04-18
    Marine scientific research activities 180615Z to 181600Z apr in area bound by 44-05.14N 028-44.52E,…
    Black Sea · Romania
  46. HYDROLANT 815/242024-04-17 → 2024-05-09
    Survey operations 17 apr thru 08 may by M/V artemis odyssey in area bound by 25-04.49S 042-10.72W, 25-05.99S…
    Western South Atlantic
  47. HYDROLANT 814/242024-04-17 → 2024-04-17
    Marine scientific research activities 180615Z to 181600Z apr in area bound by 44-05.14N 028-44.52E,…
    Black Sea · Romania
  48. HYDROLANT 803/242024-04-16 → 2024-04-25
    Underwater operations 0500Z to 2000Z daily 16 thru 25 apr by M/V double diamond and M/V novo estado in…
    Western South Atlantic · Brazil
  49. HYDROLANT 797/242024-04-15 → 2024-04-30
    Underwater operations 1200Z to 1700Z daily 15 thru 30 apr by M/V future and M/V open seas I in 20-22.10S…
    Western South Atlantic · Brazil
  50. HYDROPAC 1228/242024-04-15 → 2024-05-16
    Survey operations in progress until 15 may by M/V posh natuna, M/V posh arcturus and M/V posh panglima along…
    Arabian Sea · Gulf of Khambhat · India

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Survey operations in 2024 · seahazards