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 2910/142014-11-29 → 2015-02-10Seismic survey 010001Z dec to 152359Z feb 15 by M/V polarcus alima towing ten 7500 meter long cables in area…Eastern North Atlantic · Guinea
- HYDROLANT 2878/142014-11-26 → 2014-12-17Seismic survey in progress until further notice by M/V seabird explorer towing 9000 meter long cable in area…Eastern North Atlantic · Western Sahara
- NAVAREA IV 980/142014-11-19 → 2014-12-20Seismic survey in progress until 31 mar by M/V ramform atlas towing 14 8100 meter long cables in area bound…Western North Atlantic · Eastern Caribbean Sea
- NAVAREA IV 970/142014-11-14 → 2014-11-19Seismic survey in progress until 31 mar by M/V ramform atlas towing 14 8100 meter long cables in area bound…Western North Atlantic · Eastern Caribbean Sea
- NAVAREA IV 968/142014-11-14 → 2014-12-09Seismic survey in progress until 08 dec by M/V bgp prospector in area bound by 08-32.78N 058-14.05W,…Western North Atlantic · Guyana
- NAVAREA IV 958/142014-11-11 → 2014-11-14Seismic survey in progress until 05 dec by M/V bgp prospector in area bound by 08-32.78N 058-14.05W,…Western North Atlantic · Guyana
- HYDROLANT 2591/142014-10-25 → 2014-12-10Seismic survey in progress until further notice by M/V polarcus naila towing 12 8300 meter long cables in…Eastern North Atlantic
- HYDROLANT 2455/142014-10-09 → 2014-10-15Seismic survey in progress until further notice by M/V harrier explorer towing 10000 meter long cable in…Eastern North Atlantic · Celtic Sea
- NAVAREA IV 807/142014-09-26 → 2014-11-11Seismic survey 30 sep thru 10 nov by M/V bgp prospector in area bound by 08-32.78N 058-14.05W, 08-15.21N…Western North Atlantic · Guyana
- NAVAREA IV 792/142014-09-23 → 2014-11-16Seismic survey in progress until 15 nov by M/V bgp pioneer towing 6500 meter long cable in area bound by…Strait of Florida · Cuba
- HYDROLANT 2220/142014-09-13 → 2014-09-19Cable repair operations 142000Z sep until further notice by cableship peter faber vicinity 13-34N 017-11WEastern North Atlantic · The Gambia
- NAVAREA IV 749/142014-09-13 → 2014-11-14Seismic survey in progress until 31 dec by M/V ramform atlas towing 14 8100 meter long cables in area bound…Western North Atlantic · Eastern Caribbean Sea
- HYDROLANT 2218/142014-09-13 → 2014-09-16Seismic survey in progress until 161200Z sep by M/V polarcus alima towing 12 8100 meter long cables in area…Eastern North Atlantic · Sierra Leone
- HYDROLANT 2205/142014-09-11 → 2015-01-16Seismic survey in progress until further notice by M/V polar duchess towing ten 8000 meter long cables in…Eastern North Atlantic · Senegal
- HYDROLANT 2185/142014-09-09 → 2014-10-26Seismic survey in progress until further notice by M/V ramform challenger towing ten five mile long cables…Eastern North Atlantic · Shetland Islands
- HYDROLANT 2153/142014-09-05 → 2014-10-16Seismic survey in progress until 15 oct by M/V oceanic endeavour in area bound by 05-29.28N 049-46.37W,…Brazil-north Coast
- HYDROLANT 2090/142014-08-31 → 2014-10-01Seismic survey in progress until further notice by M/V harrier explorer towing 10000 meter long cable in…Eastern North Atlantic · Celtic Sea
- HYDROLANT 2082/142014-08-29 → 2014-08-31Seismic survey in progress until further notice by M/V harrier explorer towing 10000 meter long cable in…Eastern North Atlantic · Celtic Sea
- NAVAREA IV 684/142014-08-27 → 2014-09-12Cable repair operations 311600Z aug until further notice by cableship ile de aix vicinity of trackline…North Atlantic
- HYDROLANT 2041/142014-08-26 → 2014-09-05Seismic survey in progress until 25 sep by M/V oceanic endeavour in area bound by 05-23.25N 049-40.17W,…Brazil-north Coast
- HYDROLANT 2032/142014-08-25 → 2014-09-13Seismic survey 260001Z aug to 122359Z sep by M/V polarcus alima towing 12 8100 meter long cables in area…Eastern North Atlantic · Sierra Leone
- HYDROLANT 1998/142014-08-21 → 2014-09-07Seismic survey in progress until 15 sep by M/V bgp prospector towing 12 7400 meter long cables in area bound…Eastern North Atlantic · Western Sahara
- HYDROLANT 1949/142014-08-15 → 2014-08-28Seismic survey in progress until further notice by M/V harrier explorer towing 10000 meter long cable in…Eastern North Atlantic · Ireland-southwest Coast
- NAVAREA IV 646/142014-08-13 → 2014-09-01Cable laying operations in progress until 03 sep by cableship ile de brehat along trackline joining 28-57.0N…Western North Atlantic
- HYDROLANT 1724/142014-07-16 → 2014-08-16Seismic survey 25 jul thru 15 aug by M/V ocean endeavour in area bound by 05-29.28N 049-46.37W, 05-14.00N…Western North Atlantic · Brazil-north Coast
- NAVAREA IV 539/142014-07-15 → 2014-08-12Cable operations in progress until 15 aug by cableship ile de brehat along trackline joining 28-43.0N…Western North Atlantic · Florida
- HYDROLANT 1714/142014-07-15 → 2014-07-16Seismic survey 25 jul thru 15 aug by M/V ocean endeavour in area bound by 05-29.28N 049-46.37W, 05-15.53N…Western North Atlantic · Brazil-north Coast
- HYDROLANT 1694/142014-07-12 → 2014-09-09Seismic survey in progress until further notice by M/V western spirit towing 10000 meter long cable in area…Eastern North Atlantic · Scotland-northwest Coast
- HYDROLANT 1659/142014-07-07 → 2014-08-12Seismic survey in progress until further notice by M/V harrier explorer towing 12000 meter long cable in…Eastern North Atlantic · Scotland-northwest Coast
- HYDROLANT 1641/142014-07-06 → 2014-07-07Seismic survey in progress until further notice by M/V harrier explorer towing 12000 meter long cable in…Eastern North Atlantic · Scotland-northwest Coast
- HYDROLANT 1610/142014-07-01 → 2014-07-07Cable repair operations 021600Z jul until further notice by cableship peter faber vicinity 36-13N 006-31WEastern North Atlantic · Gulf of Cadiz
- HYDROLANT 1573/142014-06-27 → 2014-07-12Seismic survey in progress until 160100Z aug by M/V western spirit towing 10000 meter long cable in area…Eastern North Atlantic · Scotland-northwest Coast
- HYDROLANT 1513/142014-06-19 → 2014-07-15Seismic survey in progress until 15 jul by M/V ocean endeavour in area bound by 05-44.25N 050-03.25W,…Western North Atlantic · Brazil-north Coast
- HYDROLANT 1430/142014-06-08 → 2014-07-26Seismic survey in progress until further notice by M/V wg amundsen towing 11 5500 meter long cables in area…Eastern North Atlantic · Shetland Islands
- NAVAREA IV 420/142014-06-05 → 2014-07-08Cable operations 07 jun thru 07 jul by cableship ile de brehat along trackline joining 28-43.0N 076-08.0W,…Western North Atlantic · Florida
- HYDROLANT 1411/142014-06-05 → 2014-06-30Cable operations 07 jun thru 09 jul by cableship ile de batz along trackline joining 43-07.9N 034-36.9W,…North Atlantic
- HYDROLANT 1404/142014-06-04 → 2014-06-17Seismic survey 05 jun until further notice by M/V geco triton towing 8000 meter long cable in area bound by…Eastern North Atlantic · Mauritania
- HYDROLANT 1366/142014-06-01 → 2014-06-05Seismic survey 04 jun until further notice by M/V geco triton towing 8500 meter long cable in area bound by…Eastern North Atlantic · Mauritania
- HYDROLANT 1358/142014-05-31 → 2014-06-07Underwater operations in progress until further notice by cableship resolute in area bound by 52-39.9N…Eastern North Atlantic
- NAVAREA IV 396/142014-05-31 → 2014-09-27Seismic survey in progress until 30 sep by M/V western neptune and M/V western regent towing 12 8100 meter…Western North Atlantic
- HYDROLANT 1346/142014-05-30 → 2014-05-31Seismic survey in progress until 30 sep by M/V western neptune and M/V western regent towing 12 8100 meter…Western North Pacific
- HYDROLANT 1242/142014-05-16 → 2014-06-16Seismic survey in progress until 15 jun by M/V ocean endeavour in area bound by 05-44.25N 050-03.25W,…Western North Atlantic · Brazil-north Coast
- NAVAREA IV 352/142014-05-14 → 2014-05-28Underwater operations in progress until 27 may by cableship ile de batz along tracklines joining: a.…Western North Atlantic
- HYDROLANT 1195/142014-05-11 → 2014-08-21Seismic survey 15 may thru 22 aug in area bound by 25-19.1N 016-03.6W, 23-52.0N 016-44.8W, 24-07.8N…Eastern North Atlantic · Western Sahara
- NAVAREA IV 309/142014-05-01 → 2014-05-05Cable laying operations 02 thru 05 may by cableship ile de batz along trackline joining 18-28.32N…Western North Atlantic · Puerto Rico
- HYDROLANT 1106/142014-04-28 → 2014-06-22Seismic survey in progress until 21 jun by M/V artemis atlantic in area bound by 14-19.4N 017-01.6W,…Eastern North Atlantic · Senegal
- NAVAREA IV 263/142014-04-13 → 2014-04-19Cable laying operations 14 thru 22 apr by cableship ile de batz along trackline joining 20-29.85N…Western North Atlantic · Puerto Rico
- HYDROLANT 995/142014-04-11 → 2014-07-11Seismic survey in progress until further notice by M/V polarcus adira towing 12 9000 meter long cables in…Eastern North Atlantic · Morocco
- HYDROLANT 982/142014-04-10 → 2014-05-09Seismic survey in progress until 08 may by M/V ocean endeavour towing 12 five mile long cables in area bound…Western North Atlantic · Brazil-north Coast
- NAVAREA IV 242/142014-04-07 → 2014-04-14Cable laying operations 09 thru 13 apr by cableship ile de batz with submersible along trackline joining…Western North Atlantic · Puerto Rico
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.