Gulf of Guinea

IHO sea area 34 · -8° to 10° E, -1° to 7° N

in force
1
last 12 months
1
since 1999
596
categories
11

In force now · 1

  1. HYDROLANT 986/26 · Wrecks2026-05-21
    A dangerous wreck is located in the Gulf of Guinea, Nigeria at 04-18.50N 007-02.20E.

Longest in force

  1. HYDROLANT 986/26 · Wrecks2026-05-21
    A dangerous wreck is located in the Gulf of Guinea, Nigeria at 04-18.50N 007-02.20E.

By year

99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
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

By category · since 1997

Piracy29149%
Cable ops17529%
Surveys6311%
Exercises173%
Wrecks153%
Other132%
Nav aids71%
Derelicts61%
Missiles61%
Debris20%
Volcanic10%

Archive · 595 cancelled

  1. HYDROLANT 950/24 · Cable ops2024-05-04 → 2026-08-14
    Cable operations are in progress by cableship Ile de Sein along a trackline in the Gulf of Guinea, Nigeria; wide berth requested.
  2. HYDROLANT 887/24 · Cable ops2024-04-26 → 2024-05-03
    Cable operations until 02 may by cableship ile de sein along trackline joining 04-49.10N 002-51.80E,…
  3. HYDROLANT 886/24 · Cable ops2024-04-26 → 2024-04-26
    Cable operations in progress until 02 may by cableship ile de sein along trackline joining 04-49.10N…
  4. HYDROLANT 813/24 · Cable ops2024-04-17 → 2024-04-23
    Cable operations in progress until 22 apr by cableship ile de sein along trackline joining 02-12.61N…
  5. HYDROLANT 792/24 · Surveys2024-04-14 → 2024-04-23
    Survey operations in progress until 22 apr by M/V borda in area bound by 03-44.80N 009-21.70E, 03-52.20N…
  6. HYDROLANT 737/24 · Cable ops2024-04-08 → 2024-04-14
    Cable operations in progress until further notice by cableship leon thevenin in area bound by 05-01.10N…
  7. HYDROLANT 729/24 · Cable ops2024-04-07 → 2024-04-08
    Cable operations 071000Z apr until further notice by cableship leon thevenin in area bound by 05-01.10N…
  8. HYDROLANT 710/24 · Cable ops2024-04-05 → 2024-04-16
    Cable operations 06 apr until further notice by cableship ile de sein along trackline joining 03-14.80N…
  9. HYDROLANT 694/24 · Surveys2024-04-03 → 2024-04-10
    Survey operations in progress until 09 apr by M/V borda in area bound by 03-44.8N 009-21.7E, 03-52.2N…
  10. HYDROLANT 633/24 · Cable ops2024-03-27 → 2024-04-07
    Cable operations 291200Z mar until further notice by cableship leon thevenin in area bound by 04-12.00N…
  11. HYDROLANT 616/24 · Surveys2024-03-24 → 2024-05-16
    Survey operations 27 mar thru 15 may by M/V rem saltire and M/V bgp dragon in area bound by 03-06.80N…
  12. HYDROLANT 605/24 · Cable ops2024-03-22 → 2024-03-27
    Cable operations in progress until further notice by cableship ile de sein along trackline joining 06-24.00N…
  13. HYDROLANT 412/24 · Cable ops2024-02-28 → 2024-03-10
    Cable operations in progress until further notice by cableship ile de sein along trackline joining 01-28.20N…
  14. HYDROLANT 355/24 · Cable ops2024-02-20 → 2024-02-28
    Cable operations in progress until further notice by cableship ile de sein along trackline joining 00-24.40N…
  15. HYDROLANT 299/24 · Cable ops2024-02-11 → 2024-02-20
    Cable operations in progress until further notice by cableship ile de sein along trackline joining 00-28.70N…
  16. HYDROLANT 280/24 · Surveys2024-02-09 → 2024-03-27
    Survey operations 12 feb thru 26 mar by M/V bgp dragon and M/V rem saltire in area bound by 03-17.54N…
  17. HYDROLANT 2831/23 · Surveys2023-12-07 → 2024-01-11
    Survey operations 10 dec thru 15 jan 24 by M/V apollo, M/V vanguard and M/V thor freyja in areas bound by:…
  18. HYDROLANT 2602/23 · Surveys2023-11-14 → 2023-12-10
    Survey operations 17 nov thru 09 dec by M/V vanguard and M/V thor freyja in area bound by 03-14.94N…
  19. HYDROLANT 2475/23 · Cable ops2023-10-30 → 2023-11-05
    Cable operations 011200Z nov until further notice by cableship leon thevenin in vicinity 05-30.00N 000-11.00W
  20. HYDROLANT 1634/23 · Surveys2023-07-20 → 2023-09-03
    Survey operations 210001Z jul to 010100Z oct by M/V prospector towing 12 four mile long cables in area bound…

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.