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 2611/15 · Piracy2015-10-20 → 2015-10-31M/V attacked in 03-55.29N 005-25.50E at 192024Z oct
- HYDROLANT 2338/15 · Cable ops2015-09-19 → 2015-12-11Seismic survey 200001Z sep until further notice by M/V polarcus alima towing 12 8100 meter long cables in…
- HYDROLANT 2333/15 · Cable ops2015-09-18 → 2015-09-19Seismic survey 200001Z sep until further notice by M/V polarcus alima towing 12 8100 meter long cables in…
- HYDROLANT 1255/15 · Wrecks2015-05-21 → 2017-04-18Obstructions: a. 20.1 meters below surface, in 06-16.69N 002-33.15E
- HYDROLANT 1208/15 · Surveys2015-05-17 → 2015-05-29Hydrographic survey 20 thru 28 may by M/V laplace towing 500 meter long cable in area bound by 06-11.62N…
- HYDROLANT 1203/15 · Wrecks2015-05-17 → 2015-05-27Dangerous wreck, least depth 17.3 meters, in 06-05.058N 001-22.295E
- HYDROLANT 1187/15 · Surveys2015-05-14 → 2015-05-28Scientific moorings temporarily established in: a. 06-06.341N 001-31.762E
- HYDROLANT 1161/15 · Surveys2015-05-13 → 2015-05-14Scientific moorings temporarily established in: a. 06-06.341N 001-31.762E
- HYDROLANT 1147/15 · Wrecks2015-05-11 → 2015-05-20Obstruction, 20.7 meters below surface, in 06-15.30N 002-28.96E
- HYDROLANT 1145/15 · Wrecks2015-05-11 → 2015-05-11Obstruction, 20.7 meters below surface, in 06-15.30N 002-28.96E
- HYDROLANT 1041/15 · Wrecks2015-04-29 → 2015-05-20Benin DNC 01
- HYDROLANT 876/15 · Cable ops2015-04-13 → 2015-06-01Seismic survey in progress until 312359Z may by M/V bgp prospector towing 12 8000 meter long cables in area…
- HYDROLANT 873/15 · Surveys2015-04-13 → 2015-05-12Scientific mooring established in 06-09.69N 002-35.47E
- HYDROLANT 703/15 · Cable ops2015-03-24 → 2015-04-12Cable laying operations 252200Z mar to 112359Z apr by cableship ile de brehat vicinity of trackline joining…
- HYDROLANT 420/15 · Cable ops2015-02-18 → 2015-03-10Seismic survey in progress until 09 mar by M/V ramform challenger towing 12 6000 meter long cables in area…
- HYDROLANT 399/15 · Cable ops2015-02-15 → 2015-06-28Seismic survey in progress until 310001Z aug by M/V ramform viking towing ten 10000 meter long cables in…
- HYDROLANT 352/15 · Cable ops2015-02-11 → 2015-02-18Seismic survey 12 thru 28 feb by M/V ramform challenger towing 12 6000 meter long cables in area bound by…
- HYDROLANT 3045/14 · Missiles2014-12-13 → 2014-12-18Hazardous operations 1751Z to 2127Z daily 18 dec thru 18 jan 15 in area bound by 02-57N 002-15E, 02-21N…
- HYDROLANT 2917/14 · Piracy2014-11-30 → 2014-12-06M/V attacked by pirates in 00-44N 006-13E at 301200Z nov
- HYDROLANT 2775/14 · Piracy2014-11-17 → 2014-11-22M/V attacked in 05-12N 004-02W at 170001Z 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.