Cable & pipeline work in the North Atlantic Ocean
Cable laying, pipeline and seismic operations.
- in force
- 13
- last 12 months
- 13
- vs previous 12 (2)
- +550%
- since 1998
- 1,584
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 2024–2026 are under-counted.
In force now · 13
- HYDROLANT 1575/26in force2026-08-14Underwater 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
- NAVAREA IV 789/26in force2026-08-14Underwater operations by cable ship ILE D'YEU along trackline in South Atlantic off Brazil, daily until 13 September, wide berth requested.South Atlantic · Brazil
- HYDROLANT 1568/26in force2026-08-13Cable 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
- NAVAREA IV 778/26in force2026-08-11Cable ship Cable Vigilance is performing cable operations in the North Atlantic from August 15 to 28, 2026, requesting one mile berth.North Atlantic
- NAVAREA IV 729/26in force2026-07-26Cable operations by cableship Pierre de Fermat are in progress until 25 August between Aruba and Florida; wide berth requested.Caribbean Sea · North Atlantic
- NAVAREA IV 677/26in force2026-07-10Cable 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.
- NAVAREA IV 666/26in force2026-07-08In 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
- NAVAREA IV 663/26in force2026-07-07Cable 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
- NAVAREA IV 659/26in force2026-07-05Cable 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
- NAVAREA IV 658/26in force2026-07-05Pipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.North Atlantic · Guyana
- NAVAREA IV 649/26in force2026-07-02Pipeline 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
- NAVAREA IV 640/26in force2026-06-30Cable operations are in progress until August 31 in an area off French Guiana; one mile berth requested.North Atlantic · French Guiana
- NAVAREA IV 7/26in force2026-01-02Pipeline operations are in progress in the North Atlantic through December 31, 2026, by multiple vessels; wide berth is requested.North Atlantic
Longest in force
- NAVAREA IV 7/26in force2026-01-02 · 231 dPipeline operations are in progress in the North Atlantic through December 31, 2026, by multiple vessels; wide berth is requested.North Atlantic
- NAVAREA IV 640/26in force2026-06-30 · 53 dCable operations are in progress until August 31 in an area off French Guiana; one mile berth requested.North Atlantic · French Guiana
- NAVAREA IV 649/26in force2026-07-02 · 50 dPipeline 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
- NAVAREA IV 658/26in force2026-07-05 · 48 dPipeline operations by vessel Saipem Constellation continue until 31 December off Guyana; wide berth requested.North Atlantic · Guyana
- NAVAREA IV 659/26in force2026-07-05 · 47 dCable 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
By month (all years)
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Other hazards in the North Atlantic Ocean
Archive · 1,571 cancelled
- HYDROLANT 2060/242024-09-25 → 2026-08-17In the eastern North Atlantic, cable operations by the ship Pierre de Fermat at 45-36N 015-14W are underway from 26 September, requesting one mile berth.Eastern North Atlantic
- HYDROLANT 2059/242024-09-25 → 2026-08-17Cable operations are in progress by cableship Ile de Sein along a trackline in the Gulf of Guinea until further notice; wide berth requested.Eastern North Atlantic · Gulf of Guinea
- NAVAREA IV 782/242024-07-03 → 2026-08-17Pipeline operations by vessel Harvey Supplier from July 10 through December 9 in the western North Atlantic, wide berth requested.Western North Atlantic
- NAVAREA IV 759/242024-06-28 → 2026-08-17Pipeline operations by M/V Millie in western North Atlantic from July 5 to December 4 in area bounded by coordinates; wide berth requested.Western North Atlantic
- NAVAREA IV 745/242024-06-27 → 2026-08-17Pipeline operations by vessel Harvey Carrier are in progress until November 27 in the western North Atlantic, wide berth requested.Western North Atlantic
- NAVAREA IV 744/242024-06-27 → 2026-08-17Pipeline operations by vessel Deep Blue continue until 27 November in area 08°N 057°W; wide berth requested.Western North Atlantic
- NAVAREA IV 710/242024-06-19 → 2026-08-17Pipeline operations by vessel Olympic Challenger continue in the western North Atlantic until 09 November 2024.Western North Atlantic
- NAVAREA IV 699/242024-06-18 → 2024-10-02Cable operations in progress until 211200Z jun by cableship ile de molene in area bound by 45-18.00N…Western North Atlantic
- NAVAREA IV 690/242024-06-15 → 2024-10-02Cable operations in progress until 21 jun by M/V layla in area within five miles of trackline joining…North Atlantic
- NAVAREA IV 686/242024-06-14 → 2024-10-02Trinidad and tobagoWestern North Atlantic
- NAVAREA IV 572/242024-05-18 → 2024-10-02Pipeline operations in progress until 31 aug by barge neptune 289 in area bound by 07-06.92N 058-05.54W,…Western North Atlantic · Guyana
- NAVAREA IV 511/242024-05-07 → 2024-05-25Cable operations by M/V layla: a. in progress until 8 may within five miles of trackline joining 40-04.00N…Western North Atlantic
- NAVAREA IV 478/242024-04-28 → 2024-05-07Cable operations by M/V layla: a. in progress until 04 may within five miles of trackline joining: 37-24.00N…Western North Atlantic
- NAVAREA IV 476/242024-04-28 → 2024-05-10Cable operations by M/V layla: a. in progress until 04 may within five miles of trackline joining: 37-24.00N…Western North Atlantic
- NAVAREA IV 471/242024-04-26 → 2024-04-28Cable operations by M/V layla: a. in progress until 02 may within five miles of trackline joining: 37-24.00N…Western North Atlantic
- NAVAREA IV 464/242024-04-24 → 2024-04-26Cable operations by M/V layla: a. in progress until 301200Z apr in area within five miles of trackline…Western North Atlantic
- NAVAREA IV 453/242024-04-21 → 2024-04-24Cable operations by cableship layla: a. in progress until 272100Z apr in area within five miles of trackline…Western North Atlantic
- NAVAREA IV 440/242024-04-17 → 2024-04-21Cable operations by cableship layla: a: in progress until 192200Z apr in area within five miles of trackline…Western North Atlantic
- NAVAREA IV 439/242024-04-17 → 2024-05-20Trinidad and tobagoWestern North Atlantic
- NAVAREA IV 435/242024-04-17 → 2024-04-19Cable operations 18 thru 25 apr by cableship wave sentinel in vicinity of 42-26.22N 067-32.66WWestern North Atlantic
- NAVAREA IV 426/242024-04-14 → 2024-04-17Cable operations by cableship layla: a. 17 thru 22 apr within five miles of trackline joining 37-28.00N…Western North Atlantic
- NAVAREA IV 420/242024-04-13 → 2024-04-25Cable operations 18 thru 25 apr by cableship wave sentinel in 42-26.23N 067-32.66WWestern North Atlantic
- HYDROLANT 772/242024-04-12 → 2024-04-23Cable operations in progress until further notice by cableship ile d'ouessant in area bound by 23-56.90N…Eastern North Atlantic · Western Sahara
- NAVAREA IV 374/242024-03-29 → 2024-05-18Trinidad and tobagoWestern North Atlantic
- NAVAREA IV 365/242024-03-29 → 2024-03-31Cable operations in progress until further notice by cableship layla in area bound by 25-43.00N 075-51.00W,…Western North Atlantic · Bahamas
- NAVAREA IV 359/242024-03-27 → 2024-10-01Pipeline operations 01 apr thru 30 sep by M/V seven borealis along trackline joining 07-59.27N 057-01.00W,…Western North Atlantic · Guyana
- NAVAREA IV 357/242024-03-27 → 2024-04-01Trinidad and tobagoWestern North Atlantic
- NAVAREA IV 334/242024-03-23 → 2024-03-29Cable operations in progress until further notice by cableship layla in area bound by 25-00.00N 073-53.00W,…Western North Atlantic · Bahamas
- NAVAREA IV 332/242024-03-22 → 2024-03-31Trinidad and tobagoWestern North Atlantic
- NAVAREA IV 302/242024-03-17 → 2024-03-23Cable operations 181400Z mar until further notice by cableship layla in area bound by 23-50.00N 071-45.00W,…Western North Atlantic
- NAVAREA IV 294/242024-03-16 → 2024-03-23Cable operations in progress until further notice by cableship layla in area bound by 22-17.00N 069-42.00W,…Western North Atlantic
- NAVAREA IV 269/242024-03-11 → 2024-03-12Cable operations in progress until further notice by cableship layla in area bound by 20-24.00N 068-02.00W,…Western North Atlantic
- HYDROLANT 481/242024-03-08 → 2024-03-20Cable operations in progress until further notice by cableship decisive in area bound by 48-12.47N…Eastern North Atlantic
- HYDROLANT 462/242024-03-06 → 2024-03-18Cable operations 09 mar until further notice by cableship ile d'ouessant in area bound by 23-50.50N…Eastern North Atlantic · Western Sahara
- HYDROLANT 461/242024-03-06 → 2024-03-23Cable operations 09 mar until further notice by cableship ile de batz along trackline joining 38-40.50N…Eastern North Atlantic · Portugal
- NAVAREA IV 254/242024-03-06 → 2024-03-11Cable operations in progress until further notice by cableship layla in area bound by 20-08.00N 068-01.00W,…Western North Atlantic · Dominican Republic
- NAVAREA IV 251/242024-03-05 → 2024-04-03Cable operations 06 mar thru 02 apr by cableship pierre de fermat along tracklines joining: a. 08-07.10N…Western North Atlantic · Suriname
- NAVAREA IV 223/242024-02-27 → 2024-09-01Pipeline operations in progress until 31 aug by barge tamuata and barge stingray in area bound by 07-06.92N…Western North Atlantic · Guyana
- HYDROLANT 411/242024-02-27 → 2024-03-02Cable operations 01 mar thru 15 apr by cableship ile d'ouessant in area bound by 23-50.50N 016-09.50W,…Eastern North Atlantic · Western Sahara
- HYDROLANT 383/242024-02-23 → 2024-03-08Cable operations 26 feb thru 15 mar by cableship decisive in area bound by 48-12.47N 010-29.54W, 48-12.47N…Eastern North Atlantic
- NAVAREA IV 198/242024-02-21 → 2024-03-16Cable operations in progress until 15 mar by cableship pierre de fermat along tracklines joining: a.…Western North Atlantic · Guyana
- NAVAREA IV 173/242024-02-15 → 2024-02-16Cable operations in progress thru 15 mar 24 by cableship pierre de fermat along tracklines joining a.…Western North Atlantic · Guyana
- HYDROLANT 254/242024-02-05 → 2024-02-10Pipeline operations 08 feb until further notice by M/V edda flora with submersible in area bound by…Eastern North Atlantic · Strait of Gibraltar · Morocco
- HYDROLANT 169/242024-01-22 → 2024-02-03Cable operations 230800Z jan 24 until further notice by cableship ile de batz along trackline joining…Eastern North Atlantic · Madeira
- NAVAREA IV 51/242024-01-15 → 2024-02-01Cable operations in progress until 31 jan by vessel M/V tsm ouessant in area bound by 06-59.58N 057-57.69W,…Western North Atlantic · Guyana
- HYDROLANT 111/242024-01-15 → 2024-01-16Pipeline operations in progress until further notice by M/V edda flora along trackline joining 35-45.10N…Eastern North Atlantic · Morocco
- HYDROPAC 75/242024-01-07 → 2024-02-06Cable operations 10 jan until further notice by cableship rene descartes along trackline joining 42-10.00N…North Pacific
- NAVAREA XII 4/242024-01-07 → 2024-02-06Cable operations 10 jan until further notice by cableship rene descartes along trackline joining 42-10.00N…North Pacific
- NAVAREA IV 5/242024-01-02 → 2024-01-15Two AIS buoys, black, temporarily established in 33-49.80N 067-53.10W until further notice by cableship ile…Western North Atlantic
- NAVAREA IV 1519/232023-12-31 → 2024-01-12AIS buoy, orange, temporarily established in 33-48.30N 067-56.70W until further notice by cableship ile de…Western 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.