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 3297/13 · Derelicts2013-10-23 → 2013-10-26
    Derelict F/V partially submerged and adrift vicinity 06-22N 107-25E at 220800Z oct
  2. HYDROPAC 3289/13 · Exercises2013-10-23 → 2013-11-08
    Gunnery exercises 2300Z to 0930Z commencing daily 27 thru 31 oct and 03 thru 07 nov: a. in area bound by…
  3. HYDROPAC 3258/13 · Surveys2013-10-21 → 2013-11-29
    Underwater operations in progress until 28 nov by M/V skandi hawk with submersible vicinity 11-38.5N 118-54.3E
  4. HYDROPAC 3255/13 · Cable ops2013-10-21 → 2013-10-24
    Pipeline operations 25 oct thru 20 nov by M/V lewek crusader in 08-10-27N 108-33-04E
  5. HYDROPAC 3247/13 · Cable ops2013-10-21 → 2013-11-16
    Seismic survey in progress until 15 nov by M/V duke towing 8000 meter long cable in area bound by 22-40.9N…
  6. HYDROPAC 3243/13 · Derelicts2013-10-20 → 2013-10-21
    Reports to mrcc vietnam, phone: 8 443 768 3050, fax: 8 443 768 3048, e-mail: [email protected]
  7. HYDROPAC 3240/13 · Derelicts2013-10-20 → 2013-10-21
    Reports to mrcc vietnam, phone: 8 443 768 3050, fax: 8 443 768 3048, e-mail: [email protected]
  8. HYDROPAC 3237/13 · Derelicts2013-10-20 → 2013-10-26
    M/V dai nam 36 disabled and adrift in 19-51N 107-06E at 191500Z oct
  9. HYDROPAC 3231/13 · Cable ops2013-10-19 → 2013-10-21
    Seismic survey in progress until 15 nov by M/V duke towing 8000 meter long cable in area bound by 22-40.9N…
  10. HYDROPAC 3148/13 · Cable ops2013-10-14 → 2013-11-09
    Seismic survey in progress until further notice by M/V voyager explorer in area bound by 12-25.1N 119-36.2E,…
  11. HYDROPAC 3145/13 · Other2013-10-14 → 2013-11-30
    Singapore to vietnam
  12. HYDROPAC 3130/13 · Derelicts2013-10-12 → 2013-10-15
    Derelict 4400 ton vessel spirit of fiji islands on fire and adrift in 19-47.8N 121-57.2E at 120336Z oct
  13. HYDROPAC 3116/13 · Other2013-10-11 → 2013-10-12
    F/V qng 94982-TS reports crewman requiring medical assistance in 17-50N 108-04E at 110100Z oct
  14. HYDROPAC 3095/13 · Exercises2013-10-09 → 2013-10-25
    Gunnery exercises 2300Z to 0900Z commencing daily 13 thru 24 oct: a. in area bound by 25-48-00N 120-48-00E,…
  15. HYDROPAC 3056/13 · Cable ops2013-10-05 → 2014-01-05
    Seismic survey in progress until 04 jan 14 by M/V western monarch towing ten five mile long cables in area…
  16. HYDROPAC 3046/13 · Exercises2013-10-04 → 2013-10-11
    Gunnery exercises 2300Z to 0930Z commencing daily 06 thru 10 oct: a. in area bound by 24-48N 119-50E, 24-48N…
  17. HYDROPAC 3045/13 · Exercises2013-10-04 → 2013-10-18
    Gunnery exercises in progress until 040930Z oct and 2300Z to 0930Z commencing daily 04 thru 17 oct: a. in…
  18. HYDROPAC 2963/13 · Exercises2013-09-27 → 2013-10-31
    Gunnery exercises 0001Z to 0900Z daily 01 thru 04, 07 thru 09, 11, 14 thru 18, 21 thru 25 and 28 thru 31…
  19. HYDROPAC 2962/13 · Exercises2013-09-27 → 2013-10-31
    Gunnery exercises 0001Z to 0900Z daily 01 thru 04, 07 thru 11, 14 thru 18, 21 thru 25 and 28 thru 31 oct: a.…
  20. HYDROPAC 2926/13 · Piracy2013-09-25 → 2013-10-06
    Tug reports act of piracy vicinity 04-52N 104-05E at 231415Z sep

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