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 3521/14 · Cable ops2014-11-25 → 2014-12-19
    Seismic survey in progress until 18 dec by M/V pgs apollo towing ten 6000 meter long cables in area bound by…
  2. HYDROPAC 3499/14 · Piracy2014-11-24 → 2014-12-01
    M/V reports act of piracy vicinity 01-07N 103-29E at 222200Z nov
  3. HYDROPAC 3494/14 · Exercises2014-11-23 → 2014-11-23
    Hazardous operations
  4. HYDROPAC 3487/14 · Derelicts2014-11-22 → 2014-11-25
    Derelict F/V, blue hull, partially submerged and adrift in 02-01.49N 104-44.95E at 211055Z nov
  5. HYDROPAC 3480/14 · Exercises2014-11-21 → 2014-12-01
    Hazardous operations
  6. HYDROPAC 3439/14 · Cable ops2014-11-18 → 2015-01-20
    Seismic survey 19 nov thru 19 jan 15 by M/V cgg amadeus in area bound by 09-21-41.4N 109-05-14.4E,…
  7. HYDROPAC 3330/14 · Cable ops2014-11-09 → 2014-11-26
    Cable repair operations 13 thru 20 nov, alternate 21 thru 25 nov by M/V kddi ocean link in area bound by…
  8. HYDROPAC 3324/14 · Other2014-11-08 → 2014-11-09
    M/V nam V 69 requesting assistance due to a collision in 12-03.08N 109-22.00E at 081800Z nov
  9. HYDROPAC 3272/14 · Exercises2014-11-04 → 2014-11-28
    Gunnery exercises 0001Z to 0900Z daily 04 thru 07, 10 thru 14, 17 thru 21 and 24 thru 28 nov: a. in area…
  10. HYDROPAC 3241/14 · Exercises2014-10-31 → 2014-11-28
    Gunnery exercises 0001Z to 0900Z daily 03 thru 28 nov except saturdays and sundays: a. in area between…
  11. HYDROPAC 3217/14 · Cable ops2014-10-30 → 2014-11-04
    Cable repair operations in progress until 15 dec by cableship lodbrog in area bound by 21-26-30.1N…
  12. HYDROPAC 3216/14 · Wrecks2014-10-30 → 2014-12-21
    Dangerous wreck in 22-58N 118-52E
  13. HYDROPAC 3215/14 · Cable ops2014-10-30 → 2014-11-16
    Cable operations in progress until 15 nov in area bound by 21-13.1N 119-51.7E, 21-02.2N 120-41.0E, 21-07.7N…
  14. HYDROPAC 3214/14 · Exercises2014-10-30 → 2014-11-28
    Gunnery exercises 2300Z to 0900Z commencing daily 02 thru 27 nov: a. in area bound by 25-48.0N 120-48.0E,…
  15. HYDROPAC 3178/14 · Cable ops2014-10-27 → 2014-12-16
    Seismic survey in progress until 15 dec by M/V wg vespucci towing ten 8100 meter long cables in area bound…
  16. HYDROPAC 3177/14 · Other2014-10-27 → 2014-11-02
    Offshore facilities under construction until 01 nov in 04-17-52.5N 104-53-31.5E
  17. HYDROPAC 3169/14 · Wrecks2014-10-26 → 2014-10-26
    F/V bd 95393-TS sank due to collision in 17-00N 108-40E at 260530Z oct
  18. HYDROPAC 3156/14 · Cable ops2014-10-24 → 2014-11-18
    Seismic survey 25 oct thru 15 dec by M/V cgg amadeus towing eight 6000 meter long cables in area bound by…
  19. HYDROPAC 3139/14 · Piracy2014-10-22 → 2014-11-01
    Acts of piracy reported vicinity: a. 01-48N 104-31E at 201900Z oct
  20. HYDROPAC 3125/14 · Cable ops2014-10-20 → 2014-11-07
    Cable operations 21 oct thru 04 nov, alternate 05 thru 09 nov by cableship kddi ocean link in area bound by…

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