Gulf of Guinea

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

in force
4
last 12 months
6
archive messages
662
categories
15

What the archive shows

662 messages are recorded since 1980-01-17 for the Gulf of Guinea. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.

Piracy accounts for 290 of 662 recorded messages (44%), the largest category group in this selection.

The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.

In force now · 4

  1. NAVAREA II 316/26 · Surveys2026-09-04
    A list gives last known positions of rigs and drill ships in the Gulf of Guinea, Pointe Noire and Sierra Leone at 040430 UTC Sep 26.
  2. NAVAREA II 257/26 · Nav aids2026-06-20
    In the Gulf of Guinea, IMD1 at 03-57.22N 007-46.53E and Calm Buoy at 04-01.31N 007-48.18E are unlit; navigate with caution.
  3. HYDROLANT 986/26 · Wrecks2026-05-21
    A dangerous wreck is located in the Gulf of Guinea, Nigeria at 04-18.50N 007-02.20E.
  4. NAVAREA II 215/26 · Wrecks2026-05-21
    A dangerous wreck is reported in the Gulf of Guinea at 04-18.50N 007-02.20E. Navigate with caution and at reduced speed.

Longest in force

  1. NAVAREA II 215/26 · Wrecks2026-05-21
    A dangerous wreck is reported in the Gulf of Guinea at 04-18.50N 007-02.20E. Navigate with caution and at reduced speed.
  2. HYDROLANT 986/26 · Wrecks2026-05-21
    A dangerous wreck is located in the Gulf of Guinea, Nigeria at 04-18.50N 007-02.20E.
  3. NAVAREA II 257/26 · Nav aids2026-06-20
    In the Gulf of Guinea, IMD1 at 03-57.22N 007-46.53E and Calm Buoy at 04-01.31N 007-48.18E are unlit; navigate with caution.
  4. NAVAREA II 316/26 · Surveys2026-09-04
    A list gives last known positions of rigs and drill ships in the Gulf of Guinea, Pointe Noire and Sierra Leone at 040430 UTC Sep 26.

By year

80
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 · available archive

Piracy29044%
Cable ops17526%
Surveys6710%
Incidents528%
Exercises254%
Wrecks162%
Other102%
Nav aids71%
Derelicts61%
Missiles61%
Debris30%
Spills20%
Volcanic10%
Restricted10%
Quakes10%

Archive · 658 cancelled

  1. HYDROLANT 583/18 · Piracy2018-02-18 → 2018-02-25
    M/V attacked in 06-17N 002-21E at 172300Z feb
  2. HYDROLANT 566/18 · Surveys2018-02-16 → 2018-06-18
    Survey operations in progress until further notice by M/V ramform titan towing 14 five mile long cables in…
  3. HYDROLANT 557/18 · Piracy2018-02-15 → 2018-02-22
    M/V attacked in 03-43N 007-06E at 151950Z feb
  4. HYDROLANT 467/18 · Piracy2018-02-09 → 2018-02-16
    M/V attacked in 03-43N 006-45E at 090600Z feb
  5. HYDROLANT 382/18 · Surveys2018-02-02 → 2018-04-03
    Survey operations in progress until 30 apr by M/V ramform atlas towing 12 seven mile long cables in area…
  6. HYDROLANT 373/18 · Incidents2018-02-01 → 2018-02-06
    M/V marine express unreported
  7. HYDROLANT 298/18 · Piracy2018-01-27 → 2018-02-03
    M/V approached by pirates in 06-18N 003-20E at 270001Z jan
  8. HYDROLANT 264/18 · Piracy2018-01-24 → 2018-01-29
    M/V attacked in 03-30N 006-20E at 240900Z jan
  9. HYDROLANT 4170/17 · Piracy2017-12-24 → 2017-12-31
    M/V attacked and boarded by pirates in 03-47.5N 006-50.5E at 240800Z dec
  10. HYDROLANT 4091/17 · Piracy2017-12-17 → 2017-12-24
    M/V attacked in 06-17N 003-21E at 170106Z dec
  11. HYDROLANT 4050/17 · Piracy2017-12-14 → 2017-12-21
    M/V attacked in 03-58.3N 006-12.4E on 140110Z dec
  12. HYDROLANT 3963/17 · Piracy2017-12-08 → 2017-12-15
    M/V attacked in 04-11N 007-00E at 081500Z dec
  13. HYDROLANT 3940/17 · Piracy2017-12-07 → 2017-12-14
    M/V attacked in 03-31N 007-07E at 070530Z dec
  14. HYDROLANT 3880/17 · Piracy2017-12-01 → 2017-12-08
    M/V attacked in 03-28N 006-50E at 010846Z dec
  15. HYDROLANT 3842/17 · Piracy2017-11-28 → 2017-12-05
    M/V approached by pirates in 06-02N 001-18E at 280445Z nov
  16. HYDROLANT 3839/17 · Surveys2017-11-27 → 2018-01-15
    Survey operations in progress until 012359Z feb 18 by M/V ramform atlas towing 12 three mile long cables in…
  17. HYDROLANT 3758/17 · Piracy2017-11-22 → 2017-11-29
    M/V approached by pirates in 03-17.5N 006-52.5E
  18. HYDROLANT 3756/17 · Piracy2017-11-22 → 2017-11-29
    M/V attacked in 03-04N 006-59E at 220340Z nov
  19. HYDROLANT 3755/17 · Piracy2017-11-22 → 2017-11-29
    M/V approached by pirates in 05-13N 004-03W at 212140Z nov
  20. HYDROLANT 3696/17 · Piracy2017-11-16 → 2017-11-23
    M/V attacked in 04-07N 006-57E at 161100Z nov

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

Gulf of Guinea — navigational warnings — archive page 13 · seahazards