Survey operations in the Gulf of Guinea

Hydrographic and scientific survey vessels, often towing long arrays.

in force
1
last 12 months
1
vs previous 12 (0)
since 2002
64

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 · 1

  1. NAVAREA II 299/26in force2026-08-09
    A list of mobile oil rigs and drill ships in the Gulf of Guinea, Pointe Noire, Sierra Leone, is provided as of August 26, 0916 UTC.
    Gulf of Guinea, Pointe Noire, Sierra Leone · Rig List

Longest in force

  1. NAVAREA II 299/26in force2026-08-09 · 13 d
    A list of mobile oil rigs and drill ships in the Gulf of Guinea, Pointe Noire, Sierra Leone, is provided as of August 26, 0916 UTC.
    Gulf of Guinea, Pointe Noire, Sierra Leone · Rig List

By year

02
03
04
05
06
07
08
09
10
13
15
17
18
19
20
21
22
23
24
26

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

Other hazards in the Gulf of Guinea

Archive · 63 cancelled

  1. HYDROLANT 1701/042004-10-21 → 2004-12-07
    Oceanographic operations in progress until further notice by M/V saipem 10000 in 03-14.9N 005-26.5E
  2. HYDROLANT 126/042004-01-22 → 2004-01-30
    Underwater operations in progress until further notice by M/V saipem 10000 in 03-59N 006-29E
  3. HYDROLANT 1676/032003-09-03 → 2003-11-14
    Underwater operations in progress until further notice by M/V saipem 10000 in 05-44.4N 004-26.3E
  4. HYDROLANT 1508/032003-08-09 → 2003-09-03
    Underwater operations in progress until further notice by M/V saipem 10000 in 05-44.9N 004-28.1E
  5. HYDROLANT 1507/032003-08-09 → 2003-08-09
    Underwater operations in progress until further notice by M/V saipem 10000 in 05-44.9N 004-05.4E
  6. HYDROLANT 1088/032003-06-04 → 2003-08-02
    Underwater operations in progress until 01 aug by M/V seaway polaris vicinity of trackline between 04-42.6N…
  7. HYDROLANT 1048/032003-05-29 → 2003-09-02
    Underwater operations in progress until further notice by M/V normand progress vicinity 03-48.0N 008-04.5E
  8. HYDROLANT 483/032003-03-03 → 2003-04-16
    Survey operations in progress until 15 apr by M/V gulf supplier in area bound by 06-00N 001-40E, 05-25N…
  9. HYDROLANT 478/032003-03-02 → 2003-03-02
    Survey operations in progress until 15 apr by M/V gulf supplier in area bound by 06-00N 001-40E, 05-25N…
  10. HYDROLANT 25/032003-01-04 → 2003-01-28
    Oceanographic operations 06 thru 27 jan by M/V le suroit in area bound by 03-16.3N 006-14.8E, 03-16.5N…
  11. HYDROLANT 2755/022002-12-15 → 2002-12-26
    Underwater operations in progress until further notice by M/V saipem 10000 vicinity 05-45N 004-28E
  12. HYDROLANT 2566/022002-11-20 → 2002-12-15
    Underwater operations in progress until further notice by M/V saipem 10000 vicinity 04-46.1N 004-43.5E
  13. HYDROLANT 1972/022002-09-04 → 2002-10-01
    Underwater operations in progress until further notice by M/V rio supporter vicinity 05-00N 004-32W

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.

Survey operations in the Gulf of Guinea — page 2 · seahazards