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 · 232 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 1441/112011-09-09 → 2011-09-27Cable operations in progress until further notice by cableship ile de sein along trackline joining 13-25.17N…Eastern North Atlantic
- HYDROLANT 1437/112011-09-09 → 2011-09-11Underwater operations 110500Z to 121200Z sep by cableship james cook in 27-50.9N 013-32.4WEastern North Atlantic · Canary Islands · Morocco
- HYDROLANT 1433/112011-09-08 → 2011-09-10Cable operations in progress until further notice by cableship it interceptor towing equipment along…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 1409/112011-09-05 → 2011-09-08Cable operations in progress until further notice by cableship it interceptor towing equipment along…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 1402/112011-09-03 → 2011-09-10Underwater operations in progress until 09 sep by cableship ile de sein along trackline joining 13-25.17N…Eastern North Atlantic
- HYDROLANT 1380/112011-08-31 → 2011-09-05Cable operations in progress until further notice by cableship it interceptor towing equipment along…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 1370/112011-08-28 → 2011-09-23Cable laying operations 29 aug until further notice by cableship ile de batz along trackline joining…Eastern North Atlantic · Mauritania · Senegal
- HYDROLANT 1344/112011-08-24 → 2011-08-31Cable operations 241000Z aug until further notice by cableship it interceptor towing equipment vicinity of…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 1343/112011-08-24 → 2011-08-24Cable operations in progress until further notice by cableship it interceptor towing equipment vicinity of…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 1334/112011-08-22 → 2011-08-24Cable operations in progress until further notice by cableship it interceptor towing equipment vicinity of…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 1320/112011-08-20 → 2011-08-22Cable operations in progress until further notice by cableship it interceptor towing equipment along…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 1312/112011-08-19 → 2011-08-28Underwater operations until further notice by cableship ile de batz along trackline joining 27-12.6N…Eastern North Atlantic · Senegal
- HYDROLANT 1311/112011-08-19 → 2011-08-20Cable operations in progress until further notice by cableship it interceptor towing equipment along…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 1294/112011-08-16 → 2011-08-19Underwater operations daily 17 thru 21 aug by cableship ile de batz along trackline joining 14-41.0N…Eastern North Atlantic · Senegal
- HYDROLANT 1290/112011-08-15 → 2011-08-16Underwater operations 17 thru 21 aug by cableship ile de sein along trackline joining 14-41.0N 017-28.1W,…Eastern North Atlantic · Senegal
- HYDROLANT 1244/112011-08-07 → 2011-08-17Underwater operations 09 thru 16 aug by cableship ile de sein along trackline joining 14-41.0N 017-28.1W,…Eastern North Atlantic · Senegal
- HYDROLANT 1219/112011-08-01 → 2011-08-19Cable laying operations 04 aug until further notice by cableship ile de batz along trackline joining…Eastern North Atlantic · Bay of Biscay
- HYDROLANT 1162/112011-07-21 → 2011-09-27Seismic survey in progress until further notice by M/V geo caribbean towing 12 4.5 mile long long cables in…Gulf of Guinea
- HYDROLANT 1136/112011-07-13 → 2011-08-03Cable laying operations in progress 15 jul until futher notice by cableship ile de batz along trackline…Eastern North Atlantic · Bay of Biscay
- HYDROLANT 1117/112011-07-07 → 2011-07-30Cable operations 080600Z jul until further notice by cableship rene descartes along trackline joining 46-22N…Eastern North Atlantic
- NAVAREA IV 212/112011-07-01 → 2011-09-01Seismic survey 04 jul thru 31 aug by M/V wg amundsen towing ten 8000 meter long cables in area bound by…Western North Atlantic · Newfoundland
- NAVAREA IV 210/112011-06-28 → 2011-09-21Seismic survey in progress until 20 sep by M/V veritas viking towing ten 10000 meter long cables in area…Cuba-northeast Coast · Old Bahama Channel
- HYDROLANT 1007/112011-06-18 → 2011-06-19Cable operations in progress until further notice by cableship raymond croze along trackline joining…Eastern North Atlantic · Gulf of Cadiz
- HYDROLANT 981/112011-06-12 → 2011-06-17Cable operations 14 thru 21 jun by cableship raymond croze vicinity of trackline between 35-57.5N 006-01.6W…Eastern North Atlantic · Strait of Gibraltar
- HYDROLANT 918/112011-06-01 → 2011-06-11Seismic survey 02 thru 10 jun by M/V l'atalante towing 4500 meter long cables in area bound by 31-34.5N…Eastern North Atlantic · Morocco
- HYDROLANT 911/112011-05-31 → 2011-06-03Cable repair operations in progress until further notice by cableship ile de batz along trackline between…Eastern North Atlantic · Portugal-southwest Coast
- HYDROLANT 856/112011-05-21 → 2011-05-27Cable laying operations 23 thru 26 may by cableship ile de batz along trackline joining 28-22.4N 015-15.8W,…Eastern North Atlantic · Canary Islands
- HYDROLANT 848/112011-05-19 → 2011-05-21Cable laying operations 20 may by cableship ile de batz vicinity 28-38.2N 017-43.4WEastern North Atlantic · Canary Islands
- HYDROLANT 820/112011-05-14 → 2011-05-20Cable laying operations 16 thru 19 may by cableship ile de batz along trackline joining 27-50.73N…Eastern North Atlantic · Canary Islands
- HYDROLANT 782/112011-05-09 → 2011-05-14Cable laying operations in progress until 13 may by cableship ile de batz vicinity of trackline between…Eastern North Atlantic · Canary Islands
- HYDROLANT 778/112011-05-08 → 2011-05-09Cable laying operations in progress until 10 may by cableship ile de batz vicinity of trackline between…Eastern North Atlantic · Canary Islands
- HYDROLANT 751/112011-05-03 → 2011-06-05Seismic survey in progress until further notice by M/V meteor in area bound by 42-11N 009-16W, 41-57N…Eastern North Atlantic · Spain-northwest Coast
- HYDROLANT 737/112011-04-30 → 2011-05-08Cable laying operations 020001Z to 100001Z may by cableship ile de brehat along trackline between 31-21.9N…Eastern North Atlantic · Canary Islands
- HYDROLANT 649/112011-04-18 → 2011-04-23Cable laying operations in progress until further notice by cableship ile de batz vicinity of trackline…Eastern North Atlantic
- HYDROLANT 619/112011-04-13 → 2011-04-18Cable laying operations in progress until further notice by cableship ile de batz vicinity of trackline…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 591/112011-04-09 → 2011-04-17Cable operations 11 thru 16 apr by cableship ile de sein along trackline joining 27-32.0N 016-21.7W,…Eastern North Atlantic
- HYDROLANT 551/112011-04-01 → 2011-04-13Cable laying operations in progress until further notice by cableship ile de batz vicinity of trackline…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 303/112011-02-21 → 2011-02-22Cable operations in progress until 221100Z feb by M/V bleu castor along trackline joining 35-59.79N…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 296/112011-02-18 → 2011-02-22Cable operations in progress until 21 feb by cableship bleu castor within five miles of trackline joining…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 263/112011-02-13 → 2011-02-18Cable operations in progress until 20 feb by cableship bleu castor within five miles of trackline joining…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 260/112011-02-12 → 2011-02-14Cable operations in progress until 13 feb by M/V bleu castor within five miles of 35-56N 007-48WEastern North Atlantic · Bay of Cadiz
- HYDROLANT 235/112011-02-08 → 2011-02-15Underwater operations in progress until further notice by cableship leon thevenin with submersible vicinity…Eastern North Atlantic
- HYDROLANT 206/112011-02-02 → 2011-02-06Cable operations in progress until 15 feb by M/V bleu castor along trackline joining 36-25.44N 006-51.02W,…Eastern North Atlantic · Bay of Cadiz
- HYDROLANT 198/112011-02-01 → 2011-02-02Cable operations in progress until 15 feb by M/V bleu castor along trackline joining 36-35.47N 006-32.63W,…Eastern North Atlantic · Bay of Cadiz
- NAVAREA IV 21/112011-01-21 → 2011-02-09Seismic survey in progress until 11 feb by M/V osprey explorer towing 8400 meter long cable in area bound by…Cuba-northeast Coast · Old Bahama Channel
- HYDROLANT 117/112011-01-19 → 2011-01-30Underwater operations in progress until further notice by cableship leon thevenin with submersible vicinity…Eastern North Atlantic · Shetland Islands
- NAVAREA IV 519/102010-12-27 → 2011-01-26Seismic survey in progress until 25 jan by M/V cgg amadeus towing eight 8000 meter long cables in area bound…Old Bahama Channel · Cuba-northeast Coast
- HYDROLANT 2509/102010-12-26 → 2010-12-27Seismic survey in progress until 25 jan by M/V cgg amadeus towing eight 8000 meter long cables in area bound…Old Bahama Channel · Cuba-northeast Coast
- NAVAREA IV 511/102010-12-17 → 2011-03-01Seismic survey in progress until 05 mar by M/V ggs atlantic towing two 6000 meter long cables in area bound…Trinidad-east Coast
- NAVAREA IV 495/102010-12-07 → 2011-01-01Survey and pipe laying operations in progress until 31 dec by M/V skandi achiever: a. within 6500 meters of…Trinidad-east Coast
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.