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 · 51 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 · 48 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 1573/182018-05-19 → 2018-05-25Cable operations 201900Z may until further notice by cableship rene descartes in area within five miles of…Eastern North Atlantic · Cape Verde
- HYDROLANT 1569/182018-05-19 → 2018-05-21Cable operations in progress until further notice by cableship lida in area bound by 36-56N 012-22W, 36-59N…Eastern North Atlantic
- HYDROLANT 1544/182018-05-17 → 2018-06-18Cable operations in progress until further notice by M/V layla in vicinity of trackline joining 61-59.33N…Eastern North Atlantic · Iceland
- HYDROLANT 1531/182018-05-16 → 2018-05-19Cable operations in progress until further notice by cableship lida in area bound by 36-48N 012-29W, 36-47N…Eastern North Atlantic
- HYDROLANT 1486/182018-05-12 → 2018-05-16Cable operations in progress until further notice by cableship lida in area bound by 36-52N 012-26W, 36-47N…Eastern North Atlantic · Madeira
- HYDROLANT 1458/182018-05-10 → 2018-05-12Cable operations in progress until further notice by cableship lida in area bound by 34-36N 013-54W, 34-32N…Eastern North Atlantic · Madeira
- HYDROLANT 1431/182018-05-07 → 2018-05-10Cable operations in progress until further notice by cableship lida in area bound by 32-29N 016-02W, 32-27N…Eastern North Atlantic · Madeira
- HYDROLANT 1418/182018-05-05 → 2018-05-07Cable operations in progress until further notice by cableship lida in area bound by 33-07N 015-29W, 33-05N…Eastern North Atlantic · Madeira
- HYDROLANT 1399/182018-05-03 → 2018-05-05Cable operations in progress until further notice by cableship lida in area bound by 33-46N 014-54W, 33-44N…Eastern North Atlantic · Madeira
- HYDROLANT 1366/182018-04-30 → 2018-05-03Cable operations in progress until further notice by cableship lida in area bound by 34-15N 014-26W, 34-10N…Eastern North Atlantic
- HYDROLANT 1348/182018-04-28 → 2018-04-30Cable operations in progress until further notice by cableship lida in area bound by 34-24N 014-18W, 34-17N…Eastern North Atlantic
- HYDROLANT 1330/182018-04-27 → 2018-04-28Cable operations in progress until further notice by cableship lida in area bound by 34-23N 014-20W, 34-15N…Eastern North Atlantic
- HYDROLANT 1285/182018-04-23 → 2018-04-27Cable operations in progress until further notice by cableship lida in area bound by 36-59N 012-10W, 36-55N…Eastern North Atlantic
- HYDROLANT 1227/182018-04-18 → 2018-04-23Cable operations in progress until further notice by cableship lida in area bound by 37-09N 011-47W, 37-19N…Eastern North Atlantic
- HYDROLANT 1216/182018-04-17 → 2018-04-18Cable operations 180600Z apr until further notice by cableship lida in area bound by 37-09N 011-47W, 37-16N…Eastern North Atlantic
- HYDROLANT 1215/182018-04-17 → 2018-04-17Cable operations 180600Z apr until further notice by cableship lida in area bound by 37-20N 011-20W, 37-17N…Eastern North Atlantic
- NAVAREA IV 290/182018-04-09 → 2018-04-28Cable operations 15 apr thru 03 may by cableship ile de sein in vicinity of trackline joining 21-24.4N…North Atlantic · Puerto Rico
- HYDROLANT 1126/182018-04-06 → 2018-04-13Cable operations 091800Z apr until further notice by cableship pierre de fermat with submersible along…Eastern North Atlantic · Senegal
- NAVAREA IV 209/182018-03-12 → 2018-04-03Cable operations in progress until further notice by cableship wave sentinel in area within two miles of…Western North Atlantic · French Guiana
- NAVAREA IV 187/182018-03-02 → 2018-04-03Cable operations 07 mar thru 02 apr by cableship ile de sein in vicinity of trackline joining 21-24.2N…Western North Atlantic
- HYDROLANT 616/182018-02-21 → 2018-03-28Cable operations in progress until 15 apr by M/V layla along tracklines between: a. 35-45N 010-28W and…Eastern North Atlantic · Spain
- HYDROLANT 574/182018-02-16 → 2018-03-28Sierra leoneEastern North Atlantic · Gulf of Guinea · Cote Divoire · Liberia
- HYDROLANT 501/182018-02-11 → 2018-02-12Underwater operations 130700Z feb until further notice by cableship ile d' aix with submersible in 36-32N…Eastern North Atlantic · Portugal
- NAVAREA IV 70/182018-01-21 → 2018-03-01Cable operations 22 jan thru 28 feb by cableship ile de sein in vicinity of trackline joining 36-49.0N…Western North Atlantic
- HYDROLANT 131/182018-01-11 → 2018-02-07Cable operations 120600Z jan to 152359Z feb by M/V rebecca along trackline joining 14-16.8N 017-52.3W,…Eastern North Atlantic · Guinea-bissau
- HYDROLANT 119/182018-01-10 → 2018-01-11Cable laying operations 120600Z jan to 152359Z feb by M/V rebecca along trackline joining 14-16.1N…Eastern North Atlantic · Senegal
- NAVAREA IV 1102/172017-11-24 → 2017-12-15Straits of floridaCaribbean Sea · Old Bahama Channel
- HYDROLANT 3482/172017-10-26 → 2017-11-06Cable operations 290001Z oct to 060100Z nov by cableship pierre de fermat in area within 11 miles of…Eastern North Atlantic
- NAVAREA IV 917/172017-10-05 → 2017-10-14Cable operations 09 thru 22 oct by M/V rebecca along trackline joining 36-10.14N 067-40.55W, 34-32.08N…Western North Atlantic
- HYDROLANT 3156/172017-10-04 → 2017-10-20Cable operations 09 oct until further notice by M/V layla along tracklines: a. between 46-51.9N 018-03.5W…Eastern North Atlantic
- HYDROLANT 2909/172017-09-19 → 2017-09-28Cable operations in progress until further notice by cableship pierre de fermat with submersible in area…North Atlantic · Azores
- NAVAREA IV 691/172017-08-16 → 2017-09-13Cable operations by M/V rebecca: a. 201100Z to 282359Z aug along trackline between 34-33N 064-28W and 36-10N…Western North Atlantic · Bermuda
- HYDROLANT 2291/172017-07-24 → 2017-07-24Cable operations in progress until 312359Z jul by M/V auntonio meucci in area bound by 37-19.54N 011-41.37W,…Eastern North Atlantic
- HYDROLANT 1986/172017-06-28 → 2017-07-03Cable operations in progress until further notice by cableship pierre de fermat in vicinity 15-18.0N 019-05.5WEastern North Atlantic
- HYDROLANT 1433/172017-05-05 → 2017-06-06Seismic survey in progress until 052359Z jun by M/V sanco swift towing 12 9000 meter long cables in area…Eastern North Atlantic · Mauritania
- HYDROLANT 1402/172017-05-03 → 2017-06-08Underwater operations in progress until further notice by cableship global sentinel with submersible in: a.…Eastern North Atlantic · North Minch
- HYDROLANT 1346/172017-04-28 → 2017-05-10Cable operations 291800Z apr until further notice by cableship peter faber along trackline between 35-47N…Eastern North Atlantic · Morocco
- NAVAREA IV 295/172017-04-07 → 2017-06-17Cable operations 14 apr until further notice by cableship ile de sein along trackline joining 33-44.3N…Western North Atlantic
- NAVAREA IV 293/172017-04-07 → 2017-05-25Cable operations by cableship rebecca: a. 08 thru 13 apr along trackline between 31-41.5N 064-30.9W and…Western North Atlantic · Eastern Caribbean Sea
- NAVAREA IV 233/172017-03-21 → 2017-03-29Cable operations in progress until further notice by cableship rebecca along track line joining 38-21.17N…North Atlantic
- HYDROLANT 916/172017-03-21 → 2017-03-29Cable operations in progress until further notice by cableship rebecca along track line joining 38-21.17N…North Atlantic
- HYDROLANT 792/172017-03-10 → 2017-03-25Cable operations 121600Z mar until further notice by cableship pierre de fermat with submersible in area…Eastern North Atlantic · Cape Verde
- HYDROLANT 725/172017-03-04 → 2017-05-05Seismic survey in progress until 152359Z may by M/V sanco swift towing 12 9000 meter long cables in area…Eastern North Atlantic · Mauritania
- HYDROLANT 610/172017-02-23 → 2017-03-16Seismic survey in progress until 152359Z mar by M/V ramform atlas towing 14 10000 meter long cables in area…Eastern North Atlantic · Mauritania
- NAVAREA IV 136/172017-02-19 → 2017-04-07Cable operations 24 feb until further notice by cableship ile de sein along trackline joining 40-11.2N…Western North Atlantic
- HYDROLANT 111/172017-01-11 → 2017-02-11Cable repair operations in progress until 102359Z feb by cableship peter faber with submersible in 36-10.8N…Eastern North Atlantic · Gulf of Cadiz · Spain
- HYDROLANT 99/172017-01-10 → 2017-02-03Cable operations 100600Z jan to 082359Z feb by M/V rebecca along trackline joining 28-50.5N 014-25.2W,…Eastern North Atlantic · Morocco · Western Sahara
- HYDROLANT 3415/162016-12-17 → 2017-01-16Cable operations 200600Z dec to 152359Z jan 17 by M/V rebecca along trackline joining 14-49.0N 017-45.6W,…Eastern North Atlantic · Senegal · Mauritania · Western Sahara
- HYDROLANT 3391/162016-12-16 → 2016-12-17Cable operations 191200Z dec to 142359Z jan 17 by M/V rebecca along trackline joining 14-49.0N 017-45.6W,…Eastern North Atlantic · Senegal · Mauritania · Western Sahara
- HYDROLANT 3350/162016-12-11 → 2017-02-23Seismic survey 120200Z dec to 012359Z mar 17 by M/V ramform atlas towing 14 10000 meter long cables in area…Eastern North Atlantic · Mauritania
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.