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 3197/18 · Surveys2018-08-31 → 2018-09-10
    Survey operations 02 thru 09 sep by M/V ptsc researcher in 08-33.98N 108-43.33E
  2. HYDROPAC 3179/18 · Wrecks2018-08-30 → 2019-03-22
    Dangerous wreck, least depth 9.2 meters, in 11-52.85N 109-10.79E
  3. HYDROPAC 3170/18 · Surveys2018-08-29 → 2018-10-01
    Survey operations in progress until 30 sep by M/V elsa regent towing three mile long cable in area bound by…
  4. HYDROPAC 3169/18 · Exercises2018-08-29 → 2018-08-31
    Gunnery exercises 300001Z to 300300Z aug, alternate 310001Z to 310300Z aug in area bound by 08-39.52N…
  5. HYDROPAC 3167/18 · Exercises2018-08-29 → 2018-09-28
    Gunnery exercises 2300Z to 1000Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20 and 24 thru 27 sep in…
  6. HYDROPAC 3166/18 · Exercises2018-08-29 → 2018-09-28
    Gunnery exercises 2300Z to 0830Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20 and 24 thru 27 sep in…
  7. HYDROPAC 3165/18 · Exercises2018-08-29 → 2018-09-28
    Gunnery exercises 2300Z to 0900Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20 and 24 thru 27 sep a.…
  8. HYDROPAC 3137/18 · Cable ops2018-08-27 → 2018-09-01
    Cable operations 280001Z to 042359Z sep by cableship lodbrog in area bound by 02-40.08N 104-45.06E,…
  9. HYDROPAC 3093/18 · Other2018-08-23 → 2018-09-07
    M/V an phu 868 flooding in 10-29.5N 107-49.6E
  10. HYDROPAC 3090/18 · Cable ops2018-08-23 → 2018-08-27
    Cable operations in progress until 30 aug by cableship lodbrog in area bound by 01-36.05N 104-30.37E,…
  11. HYDROPAC 3079/18 · Exercises2018-08-22 → 2018-08-24
    Hazardous operations 240001Z to 240400Z aug, alternate 240700Z to 241000Z aug in area bound by 11-29.52N…
  12. HYDROPAC 3068/18 · Derelicts2018-08-21 → 2018-09-07
    M/V sinar kapuas disabled and adrift in 19-49-12N 111-37-43E at 210643Z aug
  13. HYDROPAC 3038/18 · Wrecks2018-08-18 → 2018-09-07
    M/V hoang thinh 68, sank in 20-12.90N 107-06.90E at 180815Z
  14. HYDROPAC 3031/18 · Cable ops2018-08-18 → 2018-08-23
    Cable operations in progress until 252359Z aug by cableship lodbrog in area bound by 01-19.83N 104-19.22E,…
  15. HYDROPAC 2997/18 · Cable ops2018-08-16 → 2018-08-20
    Cable operations in progress until 19 aug by cableship ile de re along trackline between 01-50.0N 104-25.0E…
  16. HYDROPAC 2983/18 · Surveys2018-08-14 → 2018-09-21
    Survey operations 16 aug to 20 sep by M/V cgg amadeus towing eight 5000 meter long cables in area bound by…
  17. HYDROPAC 2926/18 · Derelicts2018-08-11 → 2018-08-14
    Derelict M/V haiha 38, partially submerged and adrift in 16-13N 108-25E at 102155Z aug
  18. HYDROPAC 2883/18 · Derelicts2018-08-09 → 2018-08-12
    Derelict vessel adrift in 18-35N 116-56E on 08 aug
  19. HYDROPAC 2794/18 · Exercises2018-08-01 → 2018-08-03
    Hazardous operations 030001Z to 030200Z aug in area bound by 18-19.98N 106-02.32E, 18-17.38N 106-05.08E,…
  20. HYDROPAC 2789/18 · Other2018-08-01 → 2018-08-01
    F/V na 99179 ts reports crewman requiring medical assistance in 18-28N 107-13E

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