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.
- An older warning still listed in force · issued 2026-05-21 09:04ZA dangerous wreck is reported in the Gulf of Guinea at 04-18.50N 007-02.20E. Navigate with caution and at reduced speed.
In force now · 4
- NAVAREA II 316/26 · Surveys2026-09-04A 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.
- NAVAREA II 257/26 · Nav aids2026-06-20In 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.
- HYDROLANT 986/26 · Wrecks2026-05-21A dangerous wreck is located in the Gulf of Guinea, Nigeria at 04-18.50N 007-02.20E.
- NAVAREA II 215/26 · Wrecks2026-05-21A 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
- NAVAREA II 215/26 · Wrecks2026-05-21A dangerous wreck is reported in the Gulf of Guinea at 04-18.50N 007-02.20E. Navigate with caution and at reduced speed.
- HYDROLANT 986/26 · Wrecks2026-05-21A dangerous wreck is located in the Gulf of Guinea, Nigeria at 04-18.50N 007-02.20E.
- NAVAREA II 257/26 · Nav aids2026-06-20In 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.
- NAVAREA II 316/26 · Surveys2026-09-04A 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
| Piracy | 290 | 44% |
| Cable ops | 175 | 26% |
| Surveys | 67 | 10% |
| Incidents | 52 | 8% |
| Exercises | 25 | 4% |
| Wrecks | 16 | 2% |
| Other | 10 | 2% |
| Nav aids | 7 | 1% |
| Derelicts | 6 | 1% |
| Missiles | 6 | 1% |
| Debris | 3 | 0% |
| Spills | 2 | 0% |
| Volcanic | 1 | 0% |
| Restricted | 1 | 0% |
| Quakes | 1 | 0% |
Archive · 658 cancelled
- HYDROLANT 2475/23 · Cable ops2023-10-30 → 2023-11-05Cable operations 011200Z nov until further notice by cableship leon thevenin in vicinity 05-30.00N 000-11.00W
- HYDROLANT 1634/23 · Surveys2023-07-20 → 2023-09-03Survey operations 210001Z jul to 010100Z oct by M/V prospector towing 12 four mile long cables in area bound…
- HYDROLANT 1487/23 · Piracy2023-07-02 → 2023-07-05Multiple vessels attacked in vicinity 04-00.10N 009-38.00E at 302245Z jun
- HYDROLANT 1448/23 · Piracy2023-06-27 → 2023-06-30Possible pirate attack reported in vicinity of trackline joining 01-42.00N 009-30.00E, 03-25.00N 005-12.00E
- HYDROLANT 1426/23 · Surveys2023-06-25 → 2023-07-01Survey operations in progress until 010001Z jul by M/V bgp prospector towing ten six mile long cables in…
- HYDROLANT 1129/23 · Surveys2023-05-23 → 2023-07-31Survey operations in progress until further notice by M/V sw empress towing 12 cables in area bound by…
- HYDROLANT 1120/23 · Surveys2023-05-22 → 2023-05-23Survey operations in progress until further notice by M/V sw empress towing 12 cables in area bound by…
- HYDROLANT 940/23 · Piracy2023-05-02 → 2023-05-09M/V glebe bulker boarded by pirates while at anchor in 00-16.60N 009-29.50E at 020100Z may
- HYDROLANT 530/23 · Cable ops2023-03-09 → 2023-05-14Seismic survey in progress until 010001Z jul by M/V bgp prospector towing ten six mile long cables in area…
- HYDROLANT 3263/22 · Nav aids2022-12-20 → 2022-12-22Lights unlit: a. turbine A04 53-49.50N 002-10.50E
- HYDROLANT 3238/22 · Nav aids2022-12-19 → 2022-12-20Turbine A04 53-49.50N 002-10.50E unlit and fog signal inoperative
- HYDROLANT 3199/22 · Piracy2022-12-13 → 2022-12-16M/V attacked in 02-46N 008-45E at 131007Z dec
- HYDROLANT 3184/22 · Piracy2022-12-12 → 2022-12-15M/V attacked in 02-25.00N 008-24.00E at 120250Z dec
- HYDROLANT 2778/22 · Surveys2022-11-01 → 2023-04-17Survey operations in progress until further notice by M/V ramform atlas towing 16 six mile long cables, M/V…
- HYDROLANT 2752/22 · Exercises2022-10-29 → 2022-11-05Hazardous operations 032300Z to 050700Z nov in area within 30 miles of 04-42.90N 003-51.50W
- HYDROLANT 1975/22 · Piracy2022-08-09 → 2022-08-10M/V approached by pirates in area within 15 miles of 03-01.18N 006-58.25E at 082300Z aug
- HYDROLANT 1954/22 · Cable ops2022-08-06 → 2022-08-16Cable operations 080001Z to 160001Z aug by cableship leon thevenin in area bound by 05-31.00N 000-12.00W,…
- HYDROLANT 1612/22 · Piracy2022-06-24 → 2022-07-01Piracy activity reported in area bound by 02-30.00N 005-00.00E, 02-30.00N 007-30.00E, 00-00.00N 007-30.00E,…
- HYDROLANT 793/22 · Cable ops2022-03-18 → 2022-03-27Cable operations 19 thru 25 mar by cableship ile de brehat along trackline joining 06-10.1N 001-21.6E,…
- HYDROLANT 753/22 · Cable ops2022-03-15 → 2022-03-25Cable operations 160001Z to 312359Z mar by cableship pierre de fermat with submersible in area bound by…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.