South China Sea
IHO sea area 49 · 102° to 122° E, -3° to 26° N
- in force
- 10
- last 12 months
- 6
- since 1993
- 2,321
- categories
- 13
In force now · 10
- HYDROPAC 2249/26 · Surveys2026-08-06Survey operations by vessel PXGEO 2 towing eight 5-mile cables continue until 31 December in Gulf of Thailand and South China Sea; wide berth requested.
- NAVAREA XI 356/26 · Cable ops2026-08-06Seismic survey by vessel PXGEO 2 towing eight 5-mile cables in the southern Gulf of Thailand and South China Sea until 31 December 2026.
- HYDROPAC 2099/26 · Cable ops2026-07-21Cable operations are underway in the East China Sea by the cableship ILE DE RE until further notice; wide berth requested.
- NAVAREA XI 329/26 · Cable ops2026-07-21Cable ship Ile de Re is laying submarine cable in the Taiwan Strait until further notice.
- HYDROPAC 2412/25 · Wrecks2025-09-19Dangerous wreck in South China Sea off Vietnam at 10-22.31N 107-46.96E.
- NAVAREA XI 437/25 · Wrecks2025-09-19Sunken wreck exists in northern South China Sea at 10-22.31N 107-46.96E.
- NAVAREA XI 435/23 · Nav aids2023-12-04The Manila NAVTEX station at 14 degrees 30.3 minutes north, 121 degrees 3.9 minutes east is inoperative until further notice.
- NAVAREA XI 153/20 · Wrecks2020-04-06A yellow observation buoy is reported at 19-20.6N 113-45.9E in the northern South China Sea on 04 Apr.
- NAVAREA XI 664/19 · Wrecks2019-11-21An oil rig is reported to exist in the southern South China Sea at 07-42.1N 107-55.8E.
- NAVAREA XI 132/19 · Wrecks2019-03-07An oil rig is reported at 07-47.5N 108-12.0E in the southern South China Sea, and previous warnings are cancelled.
Longest in force
- NAVAREA XI 132/19 · Wrecks2019-03-07An oil rig is reported at 07-47.5N 108-12.0E in the southern South China Sea, and previous warnings are cancelled.
- NAVAREA XI 664/19 · Wrecks2019-11-21An oil rig is reported to exist in the southern South China Sea at 07-42.1N 107-55.8E.
- NAVAREA XI 153/20 · Wrecks2020-04-06A yellow observation buoy is reported at 19-20.6N 113-45.9E in the northern South China Sea on 04 Apr.
- NAVAREA XI 435/23 · Nav aids2023-12-04The Manila NAVTEX station at 14 degrees 30.3 minutes north, 121 degrees 3.9 minutes east is inoperative until further notice.
- NAVAREA XI 437/25 · Wrecks2025-09-19Sunken wreck exists in northern South China Sea at 10-22.31N 107-46.96E.
By year
93
98
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
25
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · since 1997
| Cable ops | 570 | 25% |
| Exercises | 560 | 24% |
| Other | 307 | 13% |
| Derelicts | 303 | 13% |
| Wrecks | 154 | 7% |
| Piracy | 137 | 6% |
| Surveys | 135 | 6% |
| Nav aids | 50 | 2% |
| Missiles | 49 | 2% |
| Containers | 35 | 2% |
| Debris | 13 | 1% |
| Towing | 7 | 0% |
| Volcanic | 1 | 0% |
Archive · 2,311 cancelled
- HYDROPAC 1126/13 · Other2013-04-22 → 2013-04-2232.5 meter tug fuji unreported japan to singapore
- HYDROPAC 1069/13 · Other2013-04-17 → 2013-05-21Geophysical survey 20 apr thru 20 may by M/V trias in area bound by 18-30N 106-00E, 18-30N 106-55E, 18-00N…
- HYDROPAC 1043/13 · Derelicts2013-04-15 → 2013-04-18Derelict 45 foot F/V partially submerged and adrift in 21-15.0N 118-12.6E at 150500Z apr
- HYDROPAC 1033/13 · Other2013-04-14 → 2013-04-15F/V qng 98859-TS reports crewman requiring medical assistance in 15-51N 110-02E at 130134Z apr
- HYDROPAC 1028/13 · Other2013-04-13 → 2013-04-14F/V qng 98859-TS reports crewman requiring medical assistance in 17-40N 111-48E at 130134Z apr
- HYDROPAC 995/13 · Cable ops2013-04-10 → 2013-08-10Seismic survey in progress until 09 aug by M/V western spirit towing ten 7000 meter long cables in area…
- HYDROPAC 934/13 · Other2013-04-03 → 2013-04-05F/V qng 2764-TS reports crewman requiring medical assistance in 15-23N 114-35E at 031200Z apr
- HYDROPAC 894/13 · Other2013-04-01 → 2013-04-01F/V qng 98289 ts reports crewman requiring medical assistance in 18-40N 111-00E at 312230Z mar
- HYDROPAC 853/13 · Exercises2013-03-27 → 2013-04-30Gunnery exercises 0001Z to 0900Z daily 01 thru 05, 08 thru 12, 15 thru 19, 22 thru 26, 29 and 30 apr: a. in…
- HYDROPAC 852/13 · Exercises2013-03-27 → 2013-04-30Gunnery exercises 0001Z to 0900Z daily 01 thru 03, 08 thru 12, 15 thru 19, 22 thru 26, 29 and 30 apr: a. in…
- HYDROPAC 705/13 · Cable ops2013-03-13 → 2013-03-21Cable laying operations in progress until 20 mar by cableship dependable along trackline between 11-57.41N…
- HYDROPAC 689/13 · Other2013-03-11 → 2013-03-12F/V py 96437-TS reports crewman requiring medical assistance in 13-32N 114-15E at 101700Z mar
- HYDROPAC 636/13 · Other2013-03-05 → 2013-03-07F/V kh 99829-TS reports crewman requiring medical assistance in 11-40N 112-30E at 050800Z mar
- HYDROPAC 579/13 · Exercises2013-02-26 → 2013-03-29Gunnery exercises 0001Z to 0900Z daily 01, 04 thru 08, 11 thru 15, 18 thru 22 and 25 thru 29 mar: a. in area…
- HYDROPAC 578/13 · Exercises2013-02-26 → 2013-03-29Gunnery exercises 0001Z to 0900Z daily 01, 04 thru 08, 11 thru 15, 18 thru 22 and 25 thru 29 mar: a. in area…
- HYDROPAC 480/13 · Other2013-02-18 → 2013-03-09China to singapore
- HYDROPAC 321/13 · Cable ops2013-01-31 → 2013-02-21Cable laying operations in progress until 20 feb vicinity of trackline joining 23-04.7N 116-46.5E, 23-00.8N…
- HYDROPAC 307/13 · Cable ops2013-01-30 → 2013-07-01Seismic survey in progress until 30 jun by vessel towing 7500 meter long cables in area bound by 20-38.9N…
- HYDROPAC 272/13 · Exercises2013-01-27 → 2013-02-27Gunnery exercises 0001Z to 0900Z daily 01, 04 thru 08, 18 thru 23 and 25 thru 27 feb: a. in area between…
- HYDROPAC 271/13 · Exercises2013-01-27 → 2013-02-27Gunnery exercises 0001Z to 0900Z daily 01, 04 thru 08, 18 thru 22 and 25 thru 27 feb: a. in area between…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.