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
- NAVAREA IV 1517/232023-12-31 → 2024-04-01Pipeline operations 02 jan 24 thru 31 mar 24 by barge stingray in area bound by 07-05.38N 058-06.65W,…Western North Atlantic · Guyana
- NAVAREA IV 1516/232023-12-31 → 2024-01-15Cable operations in progress until 31 jan 24 by M/V tsm ouessant in area bound by 06-52.98N 058-06.66W,…Western North Atlantic · Guyana
- NAVAREA IV 1512/232023-12-30 → 2024-04-01Pipeline operations in progress until further notice by barge stingray in area bound by 07-05.38N…Western North Atlantic · Guyana
- HYDROLANT 2947/232023-12-27 → 2024-01-22Cable operations 282200Z dec 23 until further notice by cableship ile de batz along trackline joining…Eastern North Atlantic · Portugal
- NAVAREA IV 1502/232023-12-26 → 2024-01-16Cable operations in progress until 01 sep 24 by cableship ile de molene in area bound by 31-57.8N 064-54.2W,…Western North Atlantic · Bermuda
- NAVAREA IV 1489/232023-12-23 → 2023-12-28Cable operations in progress until 27 dec by cableship ile de molene in area bound by 31-57.9N 064-38.7W…Western North Atlantic · Bermuda
- NAVAREA IV 1488/232023-12-23 → 2023-12-28Cable operations in progress until 27 dec by cableship ile de molene in area bound by 31-57.9N 064-38.7W…Western North Atlantic · Bermuda
- NAVAREA IV 1467/232023-12-17 → 2023-12-31Cable operations 20 thru 30 dec by M/V tsm ouessant in area bound by 05-58.50N 055-15.35W, 06-13.12N…Western North Atlantic · Suriname
- HYDROLANT 2899/232023-12-17 → 2023-12-27Cable operations 181200Z dec until further notice by cableship ile de batz along trackline joining 30-33.88N…Eastern North Atlantic · Madeira
- NAVAREA IV 1445/232023-12-14 → 2023-12-17Cable operations in progress until 16 dec by cableship ile de molene in area within one mile of 31-58.00N…Western North Atlantic · Bermuda
- NAVAREA IV 1444/232023-12-14 → 2023-12-15Buoys temporarily established until 20 dec by cableship ile de molene: a. two buoys, black, in 32-01.20N…Western North Atlantic · Bermuda
- HYDROLANT 2836/232023-12-08 → 2023-12-17Cable operations 12 dec until further notice by vessel cableship ile de batz along trackline joining…Eastern North Atlantic · Canary Islands
- HYDROLANT 2821/232023-12-06 → 2023-12-15Cable operations 090001Z dec until further notice by cableship sophie germain in area bound by 14-41.10N…Eastern North Atlantic · Cape Verde
- NAVAREA IV 1382/232023-11-30 → 2024-01-01Cable operations in progress until 31 dec by M/V quessant in area bound by 06-57.92N 057-59.58W, 06-57.97N…Western North Atlantic · Guyana
- NAVAREA IV 1372/232023-11-27 → 2023-12-14Cable operations 282000Z nov thru 140001Z dec by M/V ile de molene in area within one mile of 31-58.00N…Western North Atlantic · Bermuda
- HYDROLANT 2705/232023-11-23 → 2023-12-08Cable operations 241200Z nov until further notice by M/V ile de batz along trackline joining 30-33.60N…Eastern North Atlantic · Canary Islands
- HYDROLANT 2692/232023-11-22 → 2023-11-23Cable operations 250001Z nov until further notice by M/V ile de batz along trackline joining 20-05.60N…Eastern North Atlantic · Canary Islands
- HYDROLANT 2672/232023-11-21 → 2023-11-24Cable operations in progress until 240001Z nov by M/V ile de batz along trackline joining 14-43.70N…Eastern North Atlantic · Senegal
- HYDROLANT 2479/232023-10-31 → 2023-11-10Cable operations in progress until further notice by cableship ile d'ouessant in: a. 46-54.36N 010-00.52WEastern North Atlantic
- HYDROLANT 2436/232023-10-25 → 2023-10-31Cable operations in progress until 102359Z nov by cableship ile d'ouessant in area bound by 46-59.10N…Eastern North Atlantic
- NAVAREA IV 1212/232023-10-19 → 2023-11-13Cable operations in progress until 12 nov by M/V tsm ouessant, M/V emlo, M/V sotalia and M/V embarcation…Western North Atlantic · Brazil · French Guiana
- NAVAREA IV 1178/232023-10-12 → 2024-01-01Pipeline operations in progress until 31 dec by M/V spv gillian island in area bound by 07-09.81N…Western North Atlantic · Guyana
- HYDROLANT 2299/232023-10-10 → 2023-10-25Cable operations in progress until 302359Z oct by cableship ile d'ouessant in area bound by 46-59.10N…Eastern North Atlantic
- HYDROLANT 2287/232023-10-09 → 2023-10-26Cable operations 100001Z oct thru 152359Z nov by cableship cable vigilance in area bound by 23-59.20N…Eastern North Atlantic · Western Sahara
- HYDROLANT 2201/232023-09-29 → 2023-10-01Cable operations in progress until 032359Z oct by cableship rebecca along trackline joining 48-06.76N…North Atlantic
- HYDROLANT 2155/232023-09-25 → 2023-09-29Cable operations in progress until 290001Z sep by M/V rebecca along trackline joining 48-06.76N 034-55.42W,…North Atlantic
- NAVAREA IV 1077/232023-09-19 → 2023-09-25Cable operations 191800Z to 250001Z sep by M/V rebecca along trackline joining 49-34.00N 038-43.44W,…North Atlantic
- HYDROLANT 2069/232023-09-15 → 2023-10-10Cable operations until further notice by cableship ile d'ouessant in area bound by 46-59.00N 009-44.00W,…Eastern North Atlantic
- NAVAREA IV 1062/232023-09-14 → 2023-09-19Cable operations in progress until 192300Z sep by M/V rebecca along trackline joining 48-55.54N 039-15.64W,…North Atlantic
- NAVAREA IV 1055/232023-09-12 → 2023-10-17Cable operations 14 sep until further notice by cableship layla in area bound by 38-24.80N 048-05.77W,…Western North Atlantic
- HYDROLANT 2044/232023-09-11 → 2023-11-01Cable operations in progress until 010100Z nov by cableship ile d'aix along tracklines joining: a. 04-04.00N…Eastern North Atlantic · Senegal
- NAVAREA IV 1040/232023-09-08 → 2023-09-14Cable operations 080900Z to 152300Z sep by M/V rebecca along trackline joining 49-12.24N 042-26.60W,…North Atlantic
- HYDROLANT 2007/232023-09-06 → 2023-09-12Cable operations in progress until 112300Z sep by cableship ile d'aix along tracklines joining: a. 02-17.00N…Eastern North Atlantic · Cote D'ivoire
- NAVAREA IV 1032/232023-09-05 → 2023-09-12Cable operations 08 sep until further notice by cableship layla in area bound by 40-50.50N 057-35.20W,…Western North Atlantic
- NAVAREA IV 1020/232023-09-02 → 2023-09-08Cable operations 022200Z to 112300Z sep by M/V rebecca along trackline joining 49-48.43N 044-12.77W,…North Atlantic
- NAVAREA IV 980/232023-08-28 → 2023-09-05Trinidad and tobagoWestern North Atlantic
- NAVAREA IV 940/232023-08-21 → 2023-08-26Cable operations in progress until 261200Z aug by cableship layla along trackline joining 40-35.68N…Western North Atlantic
- NAVAREA IV 934/232023-08-20 → 2023-09-05Cable operations 200200Z aug to 052300Z sep by M/V rebecca along trackline joining 50-23.20N 049-35.74W,…North Atlantic
- HYDROLANT 1826/232023-08-17 → 2023-09-01Cable operations 19 thru 31 aug by cableship ile de batz in 44-26.30N 027-51.40WNorth Atlantic
- HYDROLANT 1775/232023-08-11 → 2023-09-07Cable operations 120001Z aug to 062300Z sep by cableship ile d'aix along tracklines joining: a. 02-17.00N…Eastern North Atlantic · Cote D'ivoire
- NAVAREA IV 890/232023-08-10 → 2023-08-20Cable operations 122200Z aug to 201200Z aug by M/V layla in vicinity of trackline joining 40-50.40N…Western North Atlantic
- HYDROLANT 1744/232023-08-06 → 2023-08-07Cable operations by cableship ile d'aix: a. 09 thru 11 aug along trackline joining 02-17.00N 003-44.00W,…Eastern North Atlantic · Liberia
- NAVAREA IV 876/232023-08-05 → 2023-08-20Trinidad and tobagoWestern North Atlantic
- NAVAREA IV 849/232023-07-28 → 2023-08-10Cable operations 300100Z jul to 101200Z aug by M/V layla in vicinity of trackline joining 37-12.37N…Western North Atlantic
- HYDROLANT 1678/232023-07-26 → 2023-08-01Cable operations 270001Z jul to 012000Z aug by cableship ile de aix along trackline joining 20-46.00N…Eastern North Atlantic
- NAVAREA IV 820/232023-07-20 → 2023-07-27Cable operations 202100Z to 271200Z jul by M/V layla along trackline joining 41-35.70N 051-04.14W, 41-20.40N…Western North Atlantic
- NAVAREA IV 809/232023-07-19 → 2023-07-22South carolina 1. cable operations 191000Z to 222200Z jul by cableship ile de molene in vicinity 33-30.00N…Western North Atlantic
- NAVAREA IV 774/232023-07-08 → 2023-07-20Cable operations in progress until 211200Z jul by cableship layla along trackline joining 45-44.24N…North Atlantic
- NAVAREA IV 754/232023-07-03 → 2023-07-23Cable operations 08 thru 30 jul by cableship rene descartes along trackline joining 39-24.40N 051-26.20W,…Western North Atlantic
- NAVAREA IV 744/232023-07-01 → 2023-07-04Cable operations in progress until 041200Z jul by M/V layla along trackline joining 45-03.36N 042-29.49W,…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.