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 2972/20 · Cable ops2020-10-13 → 2020-10-22Cable operations in progress until 28 oct by cableship ile de re in vicinity of trackline joining 04-21.5N…
- HYDROPAC 2842/20 · Piracy2020-10-01 → 2020-10-08Vessel attacked in 01-31.1N 104-49.0E on 29 sep
- HYDROPAC 2772/20 · Cable ops2020-09-23 → 2020-09-28Cable operations 231600Z sep until further notice by cableship teneo in area bound by 02-51.3N 104-50.7E,…
- HYDROPAC 2701/20 · Cable ops2020-09-17 → 2020-09-23Cable operations in progress until further notice by cableship teneo in area bound by 01-47.0N 104-46.4E,…
- HYDROPAC 2675/20 · Missiles2020-09-14 → 2020-09-18Hazardous operations, rocket launching 2300Z to 0330Z daily until 17 sep in areas bound by: a. 18-56-00N…
- HYDROPAC 2656/20 · Derelicts2020-09-13 → 2020-09-14F/V na 98866 ts, disabled and adrift, reports crewman with head trauma bleeding excessively on 131100Z sep,…
- HYDROPAC 2624/20 · Surveys2020-09-09 → 2020-10-11Survey operations in progress until 10 oct by M/V polarcus alima towing six four mile long cables in area…
- HYDROPAC 2164/20 · Cable ops2020-07-22 → 2020-08-06Cable operations 27 jul to 05 aug by cableship bold maverick in vicinity of trackline joining 22-36.3N…
- HYDROPAC 2150/20 · Missiles2020-07-21 → 2020-07-23Hazardous operations, rocket launching 230400Z to 230700Z jul in areas bound by: a. 15-46-36N 118-45-46E,…
- HYDROPAC 2094/20 · Cable ops2020-07-15 → 2020-10-12Cable operations in progress until 11 oct by cableship durable in vicinity of trackline joining 20-43.1N…
- HYDROPAC 2072/20 · Exercises2020-07-13 → 2020-07-25Gunnery exercises 18 thru 24 jul in area bound by 14-17.8N 120-17.0E, 14-17.9N 120-21.7E, 14-13.2N…
- HYDROPAC 2054/20 · Surveys2020-07-12 → 2020-08-06Survey operations in progress until 15 aug by M/V elsa regent towing a six mile long cable in area bound by…
- HYDROPAC 1858/20 · Piracy2020-06-23 → 2020-06-30Vessel reports possible piracy activity in vicinity 14-33.5N 120-53.8E at 122000Z jun
- HYDROPAC 1673/20 · Cable ops2020-06-05 → 2020-07-18Pipeline operations 10 jun thru 31 oct by M/V nile river in vicinity of trackline joining 10-22.2N…
- HYDROPAC 1515/20 · Cable ops2020-05-21 → 2020-06-24Pipeline operations 25 may thru 23 jun by M/V rach dua along trackline joining 05-46.05N 111-47.69E,…
- HYDROPAC 1346/20 · Missiles2020-05-03 → 2020-05-05Hazardous operations, rocket launching 051000Z to 051500Z may in areas bound by: a. 14-33-19N 117-30-02E,…
- HYDROPAC 1251/20 · Piracy2020-04-21 → 2020-04-28Four robbers boarded anchored chemical tanker in vung tau anchorage (10-25N 107-05E)
- HYDROPAC 1039/20 · Cable ops2020-03-30 → 2020-06-05Pipeline operations in progress until 11 sep by M/V nile river in vicinity of trackline joining 10-22.19N…
- HYDROPAC 970/20 · Derelicts2020-03-22 → 2020-03-23F/V kh 95758 ts disabled and adrift due to engine trouble in 09-22.15N 110-56.98E at 220802Z mar
- HYDROPAC 943/20 · Exercises2020-03-20 → 2020-03-28Gunnery exercises 25 thru 27 mar in area bound by 14-10.1N 120-09.2E, 14-20.8N 120-09.2E, 14-20.8N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.