Cable & pipeline work in 2026

Cable laying, pipeline and seismic operations.

issued in 2026
33
still in force
33
vs 2025
+3200%
first · last
01-02 · 08-14

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

  • NAVAREA IV12
  • HYDROPAC8
  • HYDROLANT4
  • NAVAREA XI4
  • AUSCOAST2
  • NAVAREA XII2
  • HYDROARC1

Where · top seas

North Atlantic Ocean1346%
North Pacific Ocean414%
South China Sea311%
Tasman Sea27%
Laptev Sea14%
Indian Ocean14%
Great Australian Bight14%
Caribbean Sea14%
Bering Sea14%
Makassar Strait14%

All cable & pipeline work issued in 2026 · 33

  1. NAVAREA IV 789/26in force2026-08-14
    Underwater operations by cable ship ILE D'YEU along trackline in South Atlantic off Brazil, daily until 13 September, wide berth requested.
    South Atlantic · Brazil
  2. HYDROLANT 1575/26in force2026-08-14
    Underwater operations by cableship Ile d'Yeu continue daily until 13 September along a trackline in the South Atlantic off Brazil; wide berth requested.
    South Atlantic · Brazil
  3. HYDROLANT 1568/26in force2026-08-13
    Cable operations by ship ILE D OUESSANT occur from 15 to 20 August in an area near Canary Islands; wide berth requested.
    North Atlantic · Canary Islands
  4. HYDROPAC 2323/26in force2026-08-13
    Cable operations by vessel Rebecca continue until 15 September in eastern Indian Ocean off Sri Lanka; wide berth requested.
    Eastern Indian Ocean · Sri Lanka
  5. NAVAREA IV 778/26in force2026-08-11
    Cable ship Cable Vigilance is performing cable operations in the North Atlantic from August 15 to 28, 2026, requesting one mile berth.
    North Atlantic
  6. HYDROPAC 2282/26in force2026-08-10
    Cable operations by cableship Aniek are in progress until further notice along a trackline in the North Pacific near coordinates 45-07.40N 163-31.90E to 38-48.00N 147-55.50E. Wide berth requested.
    North Pacific
  7. NAVAREA XI 364/26in force2026-08-10
    Submarine cable recovery works by motor vessel Aniek in northwestern North Pacific from 092200Z Aug until further notice near coordinates 45-07N 163-32E to 38-48N 147-56E.
    North Pacific, Northwestern Part
  8. HYDROPAC 2281/26in force2026-08-09
    Pipeline operations by vessel Barge Derrick Barge 30 are underway in the Persian Gulf near Qatar from August 10 to November 10, wide berth requested.
    Persian Gulf · Qatar
  9. NAVAREA XI 356/26in force2026-08-06
    Seismic survey by vessel PXGEO 2 towing eight 5-mile cables in the southern Gulf of Thailand and South China Sea until 31 December 2026.
    Gulf of Thailand and South China Sea, Southern Part
  10. HYDROARC 155/26in force2026-08-05
    Four vessels conduct cable operations in Kara and Laptev Seas from August 10 to November 30, requesting a two-mile berth.
    Kara Sea · Laptev Sea · Russia
  11. AUSCOAST 266/26in force2026-08-05
    Vessel SW BLY conducting seismic survey towing twelve 4.5 nm cables near 12-47S 127-35E, requesting 7 nm astern and 3 nm sides and ahead clearance.
  12. NAVAREA IV 756/26in force2026-08-05
    Cableship Intrepid is conducting underwater operations at 16-32.79N 075-39.00W near Jamaica from August 5 to 19, requesting a two-mile berth.
    Caribbean Sea · Jamaica
  13. HYDROLANT 1497/26in force2026-08-04
    Survey operations by cableship Nautilus are in progress near Angola until 22 August; wide berth requested.
    South Atlantic · Angola
  14. NAVAREA XII 523/26in force2026-08-01
    Cable operations are underway by M/V Grace in the North Pacific along a trackline; a two-mile berth is requested.
    North Pacific
  15. HYDROPAC 2163/26in force2026-07-28
    Cable operations are underway in the South Pacific by the vessel Layla along a trackline; a five-mile berth is requested.
    South Pacific
  16. NAVAREA IV 729/26in force2026-07-26
    Cable operations by cableship Pierre de Fermat are in progress until 25 August between Aruba and Florida; wide berth requested.
    Caribbean Sea · North Atlantic
  17. HYDROPAC 2100/26in force2026-07-22
    Cable operations are underway until further notice by cableship Subaru near a trackline joining 36-44.60N 140-45.20E to 35-04.90N 156-51.80E off Japan; wide berth requested.
    North Pacific · Japan
  18. HYDROPAC 2099/26in force2026-07-21
    Cable operations are underway in the East China Sea by the cableship ILE DE RE until further notice; wide berth requested.
    East China Sea · China
  19. NAVAREA XI 329/26in force2026-07-21
    Cable ship Ile de Re is laying submarine cable in the Taiwan Strait until further notice.
    Taiwan Strait
  20. NAVAREA XII 496/26in force2026-07-19
    Cable operations by cableship IT Infinity continue in the Bering Sea off Alaska until 30 November along a trackline; wide berth requested.
    Bering Sea · Alaska
  21. NAVAREA IV 677/26in force2026-07-10
    Cable operations by cable ship Reliance are in progress until 22 August along a trackline from 21-58.68N 044-28.46W to 30-50.64N 061-00.22W, requesting a two-mile berth.
  22. NAVAREA IV 666/26in force2026-07-08
    In the North Atlantic near Trinidad and Tobago, pipeline operations by vessel Seven Pegasus continue until 29 August 22:00 UTC; 500-meter berth requested.
    North Atlantic
  23. NAVAREA IV 663/26in force2026-07-07
    Cable ship Ile de Molene is doing cable operations off Trinidad and Tobago from July 10 to August 15; one-mile berth requested.
    Atlantic Ocean · Caribbean Sea
  24. NAVAREA IV 659/26in force2026-07-05
    Cable operations by ship Ile d'Yeu from 8 July to 31 August in North Atlantic off French Guiana, one mile berth requested.
    North Atlantic · French Guiana
  25. NAVAREA IV 658/26in force2026-07-05
    Pipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.
    North Atlantic · Guyana
  26. NAVAREA IV 649/26in force2026-07-02
    Pipeline operations are in progress until 10:00 UTC on October 20 by vessel DLV 2000 near Trinidad and Tobago, with 500-meter berth requested.
    Caribbean Sea
  27. NAVAREA IV 640/26in force2026-06-30
    Cable operations are in progress until August 31 in an area off French Guiana; one mile berth requested.
    North Atlantic · French Guiana
  28. HYDROPAC 1873/26in force2026-06-29
    Cable operations by ship Responder are underway in Bass Strait and Tasman Sea, Australia, until further notice; a one-mile berth is requested.
    Bass Strait · Tasman Sea · Australia
  29. AUSCOAST 231/26in force2026-06-29
    Cable-laying vessel RESPONDER is conducting operations along a line from 38-19.86S 144-19.61E to 37-18.44S 153-20.94E, with 5 nautical miles either side, requesting 1.0 nautical mile clearance.
  30. HYDROLANT 1086/26in force2026-06-04
    Pipeline operations by seven vessels continue in the Black Sea off Turkey from June 5 to October 7; wide berth requested.
    Black Sea · Turkey
  31. HYDROPAC 1585/26in force2026-05-30
    Cable-laying is in progress in Bass Strait and Great Australian Bight, Australia, by the ship Dependable; a two-mile berth is requested.
    Bass Strait
  32. NAVAREA XI 34/26in force2026-01-27
    Seismic survey is being conducted by vessel Ramform Sovereign towing twelve 10050-meter cables in Selat Makasar until further notice.
    Selat Makasar
  33. NAVAREA IV 7/26in force2026-01-02
    Pipeline operations are in progress in the North Atlantic through December 31, 2026, by multiple vessels; wide berth is requested.
    North Atlantic

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.

Cable & pipeline work in 2026 · seahazards