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 2053/12 · Cable ops2012-07-19 → 2012-08-21
    Seismic survey 20 jul thru 20 aug by M/V pacific finder towing four 4500 meter long cables in area bound by…
  2. HYDROPAC 2029/12 · Cable ops2012-07-17 → 2012-09-11
    Seismic survey 18 jul thru 19 sep by M/V western spirit towing eight 8000 meter long cables in area bound by…
  3. HYDROPAC 2002/12 · Cable ops2012-07-15 → 2012-10-01
    Cable repair operations 20 jul thru 30 sep by cableship durable and cableship lodbrog in area bound by…
  4. HYDROPAC 1972/12 · Cable ops2012-07-12 → 2012-10-01
    Cable repair operations in progress until 30 sep by cableship lodbrog and cableship durable in areas bound…
  5. HYDROPAC 1964/12 · Exercises2012-07-11 → 2012-07-31
    Gunnery exercises 2300Z to 0430Z commencing daily 15 thru 30 jul and 0530Z to 0930Z daily 16 thru 20, 23…
  6. HYDROPAC 1962/12 · Exercises2012-07-11 → 2012-07-31
    Gunnery exercises 2300Z to 0430Z commencing daily 15 thru 30 jul and 0530Z to 0930Z daily 16 thru 20, 23…
  7. HYDROPAC 1929/12 · Derelicts2012-07-08 → 2012-07-11
    Derelict F/V partially submerged and adrift vicinity 07-24N 109-00E
  8. HYDROPAC 1918/12 · Other2012-07-06 → 2012-07-07
    F/V qna 95889TS reports crewman requiring medical assistance in 12-45N 109-54E at 060230Z jul
  9. HYDROPAC 1909/12 · Other2012-07-05 → 2012-07-05
    F/V qng 96246-TS reports two persons requiring medical assistance in 19-06N 113-48E at 050700Z jul
  10. HYDROPAC 1905/12 · Other2012-07-05 → 2012-07-06
    F/V qna 95889TS reports crewman requiring medical assistance in 12-40N 111-30E at 042000Z jul
  11. HYDROPAC 1897/12 · Derelicts2012-07-04 → 2012-07-07
    Derelict F/V partially submerged and adrift vicinity 07-24N 109-00E
  12. HYDROPAC 1893/12 · Cable ops2012-07-04 → 2012-09-21
    Seismic survey in progress until 20 sep by vessel towing 12 6000 meter long cables in area bound by…
  13. HYDROPAC 1869/12 · Derelicts2012-07-01 → 2012-07-04
    Derelict F/V partially submerged and adrift vicinity 07-24N 109-00E
  14. HYDROPAC 1851/12 · Cable ops2012-06-29 → 2012-07-26
    Seismic survey in progress until 25 jul by M/V viking II towing eight 7000 meter long cables in area bound…
  15. HYDROPAC 1826/12 · Exercises2012-06-27 → 2012-07-31
    Gunnery exercises 0001Z to 0900Z daily 02 thru 06, 09 thru 13, 16 thru 20, 23 thru 27, 30 and 31 jul: a. in…
  16. HYDROPAC 1825/12 · Exercises2012-06-27 → 2012-07-31
    Gunnery exercises 0100Z to 0900Z daily 02, 04, 10, 25 and 30, 0001Z to 0900Z daily 03, 05, 06, 09, 11 thru…
  17. HYDROPAC 1792/12 · Cable ops2012-06-25 → 2012-07-15
    Seismic survey 26 jun thru 14 jul by M/V ramform sterling towing 3.5 mile long cable in area bound by…
  18. HYDROPAC 1780/12 · Cable ops2012-06-24 → 2012-08-25
    Cable repair operations in progress until 24 aug by cableships cable retriever and asean restorer in areas…
  19. HYDROPAC 1776/12 · Cable ops2012-06-24 → 2012-06-24
    Cable repair operations in progress until 24 aug by cableships cable retriever and asean restorer in areas…
  20. HYDROPAC 1770/12 · Other2012-06-23 → 2012-06-24
    F/V qng 5626-TS reports crewman requiring medical assistance in 16-04N 114-20E at 230900Z jun

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