South China Sea
IHO sea area 49 · 102° to 122° E, -3° to 26° N
- in force
- 10
- last 12 months
- 6
- since 1993
- 2,333
- 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 | 572 | 25% |
| Exercises | 566 | 24% |
| Other | 307 | 13% |
| Derelicts | 303 | 13% |
| Wrecks | 154 | 7% |
| Piracy | 137 | 6% |
| Surveys | 135 | 6% |
| Missiles | 53 | 2% |
| Nav aids | 50 | 2% |
| Containers | 35 | 2% |
| Debris | 13 | 1% |
| Towing | 7 | 0% |
| Volcanic | 1 | 0% |
Archive · 2,323 cancelled
- HYDROPAC 955/24 · Exercises2024-03-22 → 2024-03-30Gunnery exercises 25 thru 29 mar in area bound by 14-30.00N 119-30.00E, 14-40.00N 119-30.00E, 14-40.00N…
- HYDROPAC 954/24 · Exercises2024-03-22 → 2024-04-01Gunnery exercises 26 thru 31 mar in area bound by 16-15.58N 120-12.93E, 16-16.03N 120-10.84E, 16-14.18N…
- HYDROPAC 945/24 · Exercises2024-03-22 → 2024-03-29Gunnery exercises in progress until 28 mar in area bound by 12-56.08N 119-20.15E, 13-04.07N 119-06.69E,…
- HYDROPAC 944/24 · Exercises2024-03-22 → 2024-03-28Gunnery exercises 23 thru 27 mar in area bound by 14-15.00N 120-10.00E, 14-21.00N 120-10.00E, 14-21.00N…
- HYDROPAC 926/24 · Cable ops2024-03-20 → 2024-04-09Cable operations in progress until further notice by cableship resolute in area bound by 21-19.29N…
- HYDROPAC 925/24 · Exercises2024-03-20 → 2024-04-01Gunnery exercises 0000Z to 1300Z daily 25 mar thru 01 apr in area bound by 10-24.78N 114-17.87E, 10-25.28N…
- HYDROPAC 910/24 · Exercises2024-03-19 → 2024-03-24Gunnery exercises in progress until 23 mar in area bound by 14-45.38N 120-42.84E, 14-43.40N 120-34.20E,…
- HYDROPAC 898/24 · Exercises2024-03-18 → 2024-03-21Gunnery exercises in progress until 20 mar in area bound by 14-30.00N 119-15.00E, 14-40.00N 119-15.00E,…
- HYDROPAC 897/24 · Exercises2024-03-18 → 2024-03-19Gunnery exercises in progress until 23 mar in area bound by 14-45.38N 120-42.84E, 14-43.40N 120-34.20E,…
- HYDROPAC 874/24 · Exercises2024-03-15 → 2024-04-01Gunnery exercises 16 thru 31 mar in area bound by 14-15.00N 120-10.00E, 14-15.00N 120-16.00E, 14-21.00N…
- HYDROPAC 805/24 · Wrecks2024-03-11 → 2024-03-11F/V sank in 09-32.06N 110-18.43E
- HYDROPAC 754/24 · Exercises2024-03-06 → 2024-03-16Gunnery exercises 11 thru 15 mar in area bound by 14-10.50N 120-05.95E, 14-21.00N 120-05.95E, 14-21.00N…
- HYDROPAC 753/24 · Exercises2024-03-06 → 2024-03-17Gunnery exercises 11 thru 16 mar in area bound by 11-00.78N 118-58.60E, 11-08.78N 118-58.60E, 11-08.78N…
- HYDROPAC 740/24 · Nav aids2024-03-05 → 2024-03-06Uscg remote communication facility guam (V) 13-29.00N 114-50.00E mf, hf and dsc services unreliable 062100Z…
- HYDROPAC 708/24 · Exercises2024-03-02 → 2024-03-19Gunnery exercises 03 thru 18 mar in area bound by 14-28.07N 119-37.26E, 14-25.91N 120-08.48E, 13-55.72N…
- HYDROPAC 673/24 · Cable ops2024-02-27 → 2024-03-06Cable operations 27 feb thru 09 mar by cableship teneo in 00-32.57N 104-23.42E
- HYDROPAC 671/24 · Exercises2024-02-27 → 2024-03-30Gunnery exercises in progress until 29 mar in area bound by 14-11.80N 120-15.50E, 14-16.80N 120-15.50E,…
- HYDROPAC 642/24 · Exercises2024-02-25 → 2024-03-03Gunnery exercises 26 feb thru 02 mar in area bound by 16-16.03N 120-10.84E, 16-15.58N 120-12.93E, 16-13.51N…
- HYDROPAC 628/24 · Exercises2024-02-24 → 2024-03-07Gunnery exercises 26 feb thru 06 mar in area bound by 14-30.00N 119-15.00E, 14-40.00N 119-15.00E, 14-40.00N…
- HYDROPAC 607/24 · Exercises2024-02-21 → 2024-03-01Gunnery exercises 26 thru 29 feb in area bound by 14-15.00N 120-10.00E, 14-15.00N 120-16.00E, 14-21.00N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.