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
- NAVAREA IV 44/162016-01-20 → 2016-02-05Seismic survey in progress until further notice by M/V northern explorer towing 12000 meter long cable in…Western North Atlantic · Venezuela · Guyana
- HYDROLANT 2960/152015-11-30 → 2015-12-19Seismic survey in progress until 01 jan 16 by M/V polarcus adira in area bound by 13-47-51.5N 017-47-11.8W,…Eastern North Atlantic · Senegal
- HYDROLANT 2560/152015-10-14 → 2015-10-23Cable repair operations 160600Z oct until further notice by cableship pierre de fermat with submersible…Eastern North Atlantic
- HYDROLANT 2296/152015-09-16 → 2015-09-19Seismic survey in progress until further notice by M/V wg tasman towing 10500 meter long cable in area bound…Eastern North Atlantic · Scotland-northwest Coast
- HYDROLANT 2263/152015-09-12 → 2015-10-17Cable operations 140001Z sep until further notice by M/V crs rebecca along tracklines between: a. 45-47.0N…Eastern North Atlantic · Spain-northwest Coast
- HYDROLANT 2254/152015-09-11 → 2015-09-14Seismic survey in progress until further notice by M/V wg tasman towing 10500 meter long cable in area bound…Eastern North Atlantic
- HYDROLANT 2202/152015-09-05 → 2015-09-15Seismic survey in progress until further notice by M/V polar duchess towing ten 8500 meter long cables in…Eastern North Atlantic · Shetland Islands
- HYDROLANT 2201/152015-09-05 → 2015-11-23Seismic survey in progress until further notice by polarcus adira towing ten 8100 meter long cables in area…Eastern North Atlantic · Senegal
- HYDROLANT 2163/152015-09-01 → 2015-09-11Seismic survey in progress until further notice by M/V polarcus alima towing 12 8100 meter long cables in…Eastern North Atlantic · The Gambia
- HYDROLANT 2138/152015-08-30 → 2015-09-07Seismic survey in progress until further notice by M/V wg vespucci towing 10400 meter long cable in area…Eastern North Atlantic · Scotland-west Coast
- HYDROLANT 2104/152015-08-27 → 2015-09-07Seismic survey in progress until further notice by M/V wg tasman towing 10500 meter long cable in area bound…Eastern North Atlantic
- HYDROLANT 2093/152015-08-26 → 2015-08-27Seismic survey in progress until further notice by M/V wg tasman towing 10500 meter long cable vicinity of…Eastern North Atlantic · Scotland-northwest Coast
- HYDROLANT 2082/152015-08-24 → 2015-08-26Seismic survey in progress until further notice by M/V wg tasman towing 10500 meter long cable in area bound…Eastern North Atlantic · Scotland-north Coast
- HYDROLANT 1969/152015-08-12 → 2015-08-19Cable operations 140600Z to 202359Z aug by M/V crs rebecca vicinity 39-56.3N 011-14.7WEastern North Atlantic · Portugal
- HYDROLANT 1957/152015-08-11 → 2015-08-30Seismic survey in progress until further notice by M/V wg vespucci towing 10400 meter long cable in area…Eastern North Atlantic · Scotland
- HYDROLANT 1920/152015-08-06 → 2015-08-24Seismic survey in progress until further notice by M/V wg tasman towing 10500 meter long cable in area bound…Eastern North Atlantic · Scotland-north Coast
- HYDROLANT 1909/152015-08-05 → 2015-08-09Seismic survey in progress until 102359Z aug by M/V wg vespucci towing 10400 meter long cable in area bound…Eastern North Atlantic · Scotland-west Coast
- HYDROLANT 1809/152015-07-23 → 2015-08-05Seismic survey in progress until 15 aug by M/V wg vespucci towing 10400 meter long cable in area bound by…Eastern North Atlantic · Scotland-north Coast
- HYDROLANT 1783/152015-07-20 → 2015-07-29Underwater operations in progress until further notice by cableship ile de brehat vicinity of trackline…Eastern North Atlantic
- HYDROLANT 1777/152015-07-19 → 2015-08-02Seismic survey in progress until further notice by M/V ramform explorer towing ten 8000 meter long cables in…Eastern North Atlantic · Shetland Islands
- HYDROLANT 1754/152015-07-16 → 2015-08-11Cable operations in progress until 102359Z aug by M/V crs rebecca along trackline between 25-55N 024-53W and…Eastern North Atlantic
- HYDROLANT 1753/152015-07-16 → 2015-08-31Seismic survey 190001Z jul to 302359Z aug by M/V polarcus alima towing 12 8100 meter long cables in area…Eastern North Atlantic · Sengal
- HYDROLANT 1747/152015-07-15 → 2015-07-27Seismic survey in progress until 270001Z jul by M/V polar marquis towing 12000 meter long cable in area…Eastern North Atlantic · Morocco
- HYDROLANT 1725/152015-07-14 → 2015-07-15Seismic survey in progress until further notice by M/V polar marquis towing 12000 meter long cable in area…Eastern North Atlantic · Morocco
- NAVAREA IV 572/152015-07-13 → 2015-07-13Seismic survey in progress until 31 dec by M/V geo celtic towing ten six mile long cables in area bound by…Western North Atlantic · Guyana
- NAVAREA IV 571/152015-07-13 → 2015-10-27Seismic survey in progress until further notice by M/V ramform viking towing ten 8100 meter long cables in…Western North Atlantic
- NAVAREA IV 565/152015-07-11 → 2015-07-13Seismic survey 12 jul thru 31 dec by M/V geo celtic towing ten six mile long cables in area bound by…Western North Atlantic · Guyana
- NAVAREA IV 564/152015-07-11 → 2015-12-01Seismic survey in progress until further 30 nov by M/V atlantic explorer towing 10500 meter long cable in…Western North Atlantic · Newfoundland
- HYDROLANT 1581/152015-06-28 → 2015-07-19Seismic survey in progress until further notice by M/V ramform explorer towing ten 7000 meter long cables in…Eastern North Atlantic · Shetland Islands
- HYDROLANT 1426/152015-06-11 → 2015-09-12Seismic survey in progress until further notice by M/V geo caribbean towing ten 12000 meter long cables in…Eastern North Atlantic · Portugal
- NAVAREA IV 452/152015-06-10 → 2015-08-25Seismic survey in progress until 15 sep by M/V western trident towing twelve 6500 meter long cables in area…Western North Atlantic
- HYDROLANT 1398/152015-06-08 → 2015-06-17Underwater operations 102200Z to 182359Z jun by cableship ile de brehat along trackline joining 36-02.5N…Eastern North Atlantic
- HYDROLANT 1378/152015-06-06 → 2015-06-28Seismic survey in progress until further notice by M/V polarcus alima towing ten 6000 meter long cables in…Eastern North Atlantic · Scotland-north Coast
- HYDROLANT 1301/152015-05-28 → 2015-06-11Seismic survey 30 may until further notice by M/V geo caribbean towing ten 12000 meter long cables in area…Eastern North Atlantic · Portugal
- HYDROLANT 1137/152015-05-10 → 2015-05-13Cable operations in progress until 132359Z may by M/V crs rebecca along trackline between 24-35.0N 030-43.1W…North Atlantic
- NAVAREA IV 343/152015-05-01 → 2015-05-05Cable operations in progress until 04 may by cableship resolute along trackline between 44-29.47N 063-16.34W…Western North Atlantic · Nova Scotia
- HYDROLANT 1011/152015-04-26 → 2015-05-04Cable operations 280100Z apr to 062359Z may by cableship ile de brehat along trackline joining: 28-03.9N…Eastern North Atlantic · Canary Islands
- HYDROLANT 997/152015-04-25 → 2015-05-01Cable laying operations 27 apr until further notice by M/V raymond croze in area bound by 35-35.97N…Eastern North Atlantic · Morocco
- NAVAREA IV 311/152015-04-20 → 2015-05-11Cable operations in progress until 102359Z may by M/V crs rebecca along trackline between 23-12.5N 035-59.9W…North Atlantic
- HYDROLANT 939/152015-04-19 → 2015-05-11Cable operations in progress until 102359Z may by M/V crs rebecca along trackline between 23-12.5N 035-59.9W…North Atlantic
- HYDROLANT 897/152015-04-15 → 2015-04-28Seismic survey by M/V bio hesperides towing 2000 meter long cables: a. 170400Z to 180400Z apr within ten…Eastern North Atlantic
- NAVAREA IV 280/152015-04-13 → 2015-05-01Cable laying operations 14 apr until further notice by cableship resolute, vicinity trackline between…Western North Atlantic · Canada-east Coast
- HYDROLANT 736/152015-03-28 → 2015-04-06Cable repair operations 301500Z mar until further notice by cableship pierre de fermat with submersible in…Eastern North Atlantic · Portugal
- HYDROLANT 691/152015-03-22 → 2015-05-24Seismic survey 231800Z mar thru 232359Z may by M/V geo coral towing ten 11500 meter long cables in area…Eastern North Atlantic · Morocco
- HYDROLANT 336/152015-02-10 → 2015-02-11Seismic survey 12 thru 28 feb by M/V ramform challenger towing 12 6000 meter long cables in area bound by…Gulf of Guinea · Cote D'ivoire
- HYDROLANT 335/152015-02-10 → 2015-02-11Seismic survey in progress until 31 mar by M/V polarcus alima in area bound by 11-35N 017-30W, 11-35N…Eastern North Atlantic · Guinea
- HYDROLANT 142/152015-01-16 → 2014-01-20Seismic survey in progress until 200001Z jan by M/V polar duchess in area bound by 16-02.2N 017-51.5W,…Eastern North Atlantic · Senegal
- NAVAREA IV 1074/142014-12-20 → 2015-02-16Seismic survey in progress until 28 feb 15 by M/V ramform atlas towing 14 8100 meter long cables in area…Western North Atlantic
- HYDROLANT 3073/142014-12-17 → 2014-12-19Seismic survey in progress until further notice by M/V harrier explorer towing 9000 meter long cable in area…Eastern North Atlantic · Western Sahara · Canary Islands
- HYDROLANT 3055/142014-12-15 → 2015-01-17Seismic survey in progress until 242359Z jan 15 by M/V polarcus naila towing 12 8100 meter long cables in…Eastern 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.