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 1468/99 · Derelicts1999-07-15 → 1999-08-27
    Derelict M/V humu adrift vicinity 04-20N 004-31E at 150045Z jul
  2. HYDROLANT 360/99 · Cable ops1999-02-20 → 1999-04-14
    Seismic survey operations in progress until further notice by M/V geco diamond towing eight cables 3.2 miles…
  3. HYDROLANT 172/99 · Exercises1999-01-27 → 1999-01-30
    Hazardous operations 300800Z to 301200Z jan within five miles of 04-06N 003-28W

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