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 1480/10 · Derelicts2010-07-19 → 2010-07-22
    F/V, light blue hull, partially submerged and adrift in 18-32.9N 112-09.7E at 181215Z jul
  2. HYDROPAC 1464/10 · Exercises2010-07-16 → 2010-07-29
    Gunnery exercises 2300Z to 1400Z commencing daily 20 and 21 jul, alternate 27 and 28 jul: a. in area between…
  3. HYDROPAC 1457/10 · Exercises2010-07-15 → 2010-07-23
    Gunnery exercises 0130Z to 0330Z and 0630Z to 0830Z daily 20 thru 23 jul a. in area bound by 25-48.0N…
  4. HYDROPAC 1456/10 · Piracy2010-07-15 → 2010-07-24
    Vessel attacked in 01-58.9N 108-43.8E at 131900Z jul
  5. HYDROPAC 1431/10 · Cable ops2010-07-11 → 2010-09-01
    Seismic survey in progress until 31 aug by M/V veritas voyager towing four 6000 meter long cables in area…
  6. HYDROPAC 1418/10 · Cable ops2010-07-09 → 2010-07-31
    Cable repair operations in progress until 30 jul by cableship asean restorer in area bound by 01-27.2N…
  7. HYDROPAC 1383/10 · Cable ops2010-07-05 → 2010-08-07
    Seismic survey in progress until 22 sep by M/V ramform sterling towing 14 6000 meter long cables in area…
  8. HYDROPAC 1361/10 · Piracy2010-07-01 → 2010-07-11
    M/V attacked in 01-03.6N 103-33.9E at 281520Z jun
  9. HYDROPAC 1319/10 · Exercises2010-06-26 → 2010-07-01
    Gunnery exercises 010100Z to 010500Z jul within five miles of 02-00N 106-00E
  10. HYDROPAC 1302/10 · Exercises2010-06-24 → 2010-07-01
    Gunnery exercises 0130Z to 0330Z and 0630Z to 0830Z daily 29 jun thru 01 jul within 31 miles of 25-20.0N…
  11. HYDROPAC 1289/10 · Cable ops2010-06-21 → 2010-07-09
    Seismic survey 220001Z jun to 011200Z aug by M/V zephyr I towing four mile long cable in area bound by…
  12. HYDROPAC 1259/10 · Piracy2010-06-17 → 2010-06-26
    Vessel attacked in 03-01.9N 108-15.8E at 151945Z jun
  13. HYDROPAC 1247/10 · Piracy2010-06-15 → 2010-06-26
    Vessel attacked in 03-21.3N 105-48.2E at 122000Z jun
  14. HYDROPAC 1217/10 · Piracy2010-06-11 → 2010-06-19
    Vessel attacked in 03-10N 108-37E at 091710Z jun
  15. HYDROPAC 1173/10 · Cable ops2010-06-04 → 2010-07-31
    Seismic survey in progress until 30 jul in area bound by 18-36N 107-34E, 18-20N 107-34E, 18-10N 107-42E,…
  16. HYDROPAC 1172/10 · Cable ops2010-06-04 → 2010-07-01
    Seismic survey in progress until 30 jun in area bound by 17-57.0N 109-45.0E, 17-55.0N 109-45.0E 17-55.0N…
  17. HYDROPAC 1171/10 · Surveys2010-06-04 → 2010-07-31
    Underwater operations in progress until 30 jul in area bound by 18-43N 110-58E, 18-43N 111-20E, 18-15N…
  18. HYDROPAC 1170/10 · Cable ops2010-06-04 → 2010-07-31
    Cable laying operations in progress until 30 jul vicinity of trackline joining 21-21.1N 114-43.0E, 21-22.7N…
  19. HYDROPAC 1141/10 · Cable ops2010-06-02 → 2010-08-20
    Seismic survey in progress until 301600Z aug by M/V western spirit towing eight 6000 meter long cables in…
  20. HYDROPAC 1134/10 · Cable ops2010-06-01 → 2010-06-02
    Seismic survey in progress until 301600Z aug by M/V western spirit towing eight 6000 meter long cables in…

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