Gulf of Guinea

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

in force
1
last 12 months
1
since 1999
604
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

Piracy29148%
Cable ops17529%
Surveys6310%
Exercises254%
Wrecks152%
Other132%
Nav aids71%
Derelicts61%
Missiles61%
Debris20%
Volcanic10%

Archive · 603 cancelled

  1. HYDROLANT 1515/11 · Cable ops2011-09-19 → 2011-09-28
    Cable operations 201200Z to 281800Z sep by cableship rene descartes along trackline joining 04-01.4N…
  2. HYDROLANT 1481/11 · Cable ops2011-09-15 → 2011-09-20
    Cable operations 152000Z to 201200Z sep by cableship rene descartes with submersible in area bound by…
  3. HYDROLANT 1417/11 · Cable ops2011-09-06 → 2011-09-15
    Underwater operations 071600Z sep until further notice by cableship rene descartes vicinity 06-21.8N 003-26.5E
  4. HYDROLANT 1329/11 · Cable ops2011-08-22 → 2011-09-06
    Cable laying operations 231200Z aug to 061200Z sep by cableship rene descartes along trackline joining…
  5. HYDROLANT 1295/11 · Cable ops2011-08-16 → 2011-09-29
    Seismic survey 17 aug until further notice by M/V nordic explorer towing six 8000 meter long cables in area…
  6. HYDROLANT 931/11 · Cable ops2011-06-03 → 2011-06-07
    Cable repair operations 04 thru 08 jun by cableship ile de brehat vicinity 01-35.38N 005-02.90E
  7. HYDROLANT 897/11 · Other2011-05-28 → 2011-05-30
    Nga chart 57162 (7TH ed)
  8. HYDROLANT 864/11 · Cable ops2011-05-22 → 2011-05-29
    Cable repair operations 231100Z to 291100Z may by cableship chamarel with submersible within one mile of…
  9. HYDROLANT 825/11 · Cable ops2011-05-15 → 2011-05-22
    Cable repair operations 170800Z to 230800Z may by cableship chamarel with submersible within one mile of…
  10. HYDROLANT 425/11 · Cable ops2011-03-16 → 2011-03-23
    Underwater operations 18 mar until further notice by cableship ile de sein along trackline joining 03-45.5N…
  11. HYDROLANT 120/11 · Cable ops2011-01-19 → 2011-02-03
    Seismic survey in progress until 15 feb by M/V nordic explorer towing six 4000 meter long cables in area…
  12. HYDROLANT 2526/10 · Cable ops2010-12-30 → 2011-02-04
    Seismic survey 31 dec thru 03 feb by M/V polarcus naila towing ten 8000 meter long cables in area bound by…
  13. HYDROLANT 2426/10 · Wrecks2010-12-15 → 2011-02-12
    Nga chart 57101 (18TH ed)
  14. HYDROLANT 2348/10 · Cable ops2010-12-05 → 2010-12-26
    Seismic survey in progress until further notice by M/V geo mariner towing 4500 meter long cable in area…
  15. HYDROLANT 2264/10 · Cable ops2010-11-26 → 2010-12-09
    Cable laying operations in progress until 08 dec by cableship ile de sein vicinity of trackline between…
  16. HYDROLANT 1936/10 · Cable ops2010-10-12 → 2010-12-01
    Seismic survey in progress until further notice by M/V geo mariner towing two 3000 meter long cables in…
  17. HYDROLANT 1876/10 · Cable ops2010-10-02 → 2010-11-01
    Seismic survey in progress until 30 nov by M/V wg amundsen towing ten 5000 meter long cables in area bound…
  18. HYDROLANT 1696/10 · Cable ops2010-09-10 → 2010-11-01
    Seismic survey in progress until 31 oct by M/V pioneer towing six 7500 meter long cables in area bound by…
  19. HYDROLANT 1694/10 · Cable ops2010-09-09 → 2010-09-10
    Seismic survey in progress until 31 oct by M/V pioneer towing six 4000 meter long cables in area bound by…
  20. HYDROLANT 1692/10 · Exercises2010-09-09 → 2010-09-17
    Hazardous operations

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