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

  1. HYDROPAC 2249/26 · Surveys2026-08-06
    Survey 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.
  2. NAVAREA XI 356/26 · Cable ops2026-08-06
    Seismic survey by vessel PXGEO 2 towing eight 5-mile cables in the southern Gulf of Thailand and South China Sea until 31 December 2026.
  3. HYDROPAC 2099/26 · Cable ops2026-07-21
    Cable operations are underway in the East China Sea by the cableship ILE DE RE until further notice; wide berth requested.
  4. NAVAREA XI 329/26 · Cable ops2026-07-21
    Cable ship Ile de Re is laying submarine cable in the Taiwan Strait until further notice.
  5. HYDROPAC 2412/25 · Wrecks2025-09-19
    Dangerous wreck in South China Sea off Vietnam at 10-22.31N 107-46.96E.
  6. NAVAREA XI 437/25 · Wrecks2025-09-19
    Sunken wreck exists in northern South China Sea at 10-22.31N 107-46.96E.
  7. NAVAREA XI 435/23 · Nav aids2023-12-04
    The Manila NAVTEX station at 14 degrees 30.3 minutes north, 121 degrees 3.9 minutes east is inoperative until further notice.
  8. NAVAREA XI 153/20 · Wrecks2020-04-06
    A yellow observation buoy is reported at 19-20.6N 113-45.9E in the northern South China Sea on 04 Apr.
  9. NAVAREA XI 664/19 · Wrecks2019-11-21
    An oil rig is reported to exist in the southern South China Sea at 07-42.1N 107-55.8E.
  10. NAVAREA XI 132/19 · Wrecks2019-03-07
    An 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

  1. NAVAREA XI 132/19 · Wrecks2019-03-07
    An oil rig is reported at 07-47.5N 108-12.0E in the southern South China Sea, and previous warnings are cancelled.
  2. NAVAREA XI 664/19 · Wrecks2019-11-21
    An oil rig is reported to exist in the southern South China Sea at 07-42.1N 107-55.8E.
  3. NAVAREA XI 153/20 · Wrecks2020-04-06
    A yellow observation buoy is reported at 19-20.6N 113-45.9E in the northern South China Sea on 04 Apr.
  4. NAVAREA XI 435/23 · Nav aids2023-12-04
    The Manila NAVTEX station at 14 degrees 30.3 minutes north, 121 degrees 3.9 minutes east is inoperative until further notice.
  5. NAVAREA XI 437/25 · Wrecks2025-09-19
    Sunken 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 ops57025%
Exercises56024%
Other30713%
Derelicts30313%
Wrecks1547%
Piracy1376%
Surveys1356%
Nav aids502%
Missiles492%
Containers352%
Debris131%
Towing70%
Volcanic10%

Archive · 2,311 cancelled

  1. HYDROPAC 834/20 · Exercises2020-03-12 → 2020-03-19
    Gunnery exercises 16 thru 18 mar in area bound by 16-50.5N 120-02.5E, 16-42.1N 120-01.8E, 16-41.4N…
  2. HYDROPAC 793/20 · Cable ops2020-03-09 → 2020-09-06
    Cable operations in progress until 05 sep by cableship resolute in vicinity of tracklines joining: a.…
  3. HYDROPAC 748/20 · Wrecks2020-03-05 → 2020-03-05
    Vessel duc minh 555 sank in 18-11.8N 106-16.4E
  4. HYDROPAC 559/20 · Cable ops2020-02-15 → 2020-03-03
    Cable operations in progress until further notice by cableship teneo in vicinity 03-21.7N 105-20.9E
  5. HYDROPAC 557/20 · Other2020-02-15 → 2020-02-16
    F/V na 95052 ts reports crewman with serious head injury in vicinity 18-40N 106-50E at 151000Z feb
  6. HYDROPAC 373/20 · Wrecks2020-02-04 → 2020-02-04
    F/V TH90183 ts, sank in 19-26N 106-23E
  7. HYDROPAC 372/20 · Wrecks2020-02-04 → 2020-02-04
    F/V sank in vicinity 19-00N 106-00E
  8. HYDROPAC 352/20 · Surveys2020-02-01 → 2020-02-14
    Underwater operations 02 thru 13 feb by M/V skandi hawk in area bound by 11-37.7N 118-56.4E, 11-37.9N…
  9. HYDROPAC 139/20 · Exercises2020-01-12 → 2020-01-18
    Gunnery exercises 17 jan in area bound by 14-17.8N 120-17.0E 14-17.1N 120-21.8E 14-12.4N 120-21.4E 14-13.2N…
  10. HYDROPAC 94/20 · Surveys2020-01-08 → 2020-06-01
    Survey operations in progress until 01 may by M/V polarcus alima towing 12 five mile long cables in area…
  11. HYDROPAC 80/20 · Wrecks2020-01-06 → 2020-01-10
    Dangerous wreck in 16-08.64N 108-13.82E
  12. HYDROPAC 72/20 · Derelicts2020-01-06 → 2020-01-08
    F/V kh 90027 ts disabled and adrift due to engine trouble in 09-44N 109-20E at 060200Z jan
  13. HYDROPAC 63/20 · Other2020-01-05 → 2020-01-20
    Two persons overboard from F/V nt 01996 ts, in 11-04.4N 108-56.8E at 031200Z jan
  14. HYDROPAC 4295/19 · Wrecks2019-12-30 → 2020-01-17
    Dangerous wreck in 17-59N 106-32E
  15. HYDROPAC 4197/19 · Exercises2019-12-18 → 2019-12-21
    Hazardous operations 200500Z to 200930Z dec, alternate 210500Z to 210930Z dec in area bound by 19-12.11N…
  16. HYDROPAC 4182/19 · Wrecks2019-12-17 → 2020-07-10
    Dangerous wreck in 10-29.53N 107-49.64E
  17. HYDROPAC 4173/19 · Wrecks2019-12-16 → 2020-04-24
    Dangerous wreck in 10-24.84N 107-02.39E
  18. HYDROPAC 4108/19 · Exercises2019-12-12 → 2019-12-15
    Cancel this msg 15 dec 19
  19. HYDROPAC 4086/19 · Exercises2019-12-10 → 2019-12-19
    Gunnery exercises 15 thru 18 dec in area bound by 16-42.2N 120-02.3E, 16-42.2N 120-10.7E, 16-49.6N…
  20. HYDROPAC 4066/19 · Other2019-12-07 → 2019-12-12
    Two persons overboard from F/V py 95095 ts at 072200Z dec in vicinity 13-00N 109-00E

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