Philippine Sea

IHO sea area 56 · 120° to 146° E, 3° to 35° N

in force
14
last 12 months
5
since 1996
1,700
categories
11

In force now · 14

  1. HYDROPAC 2325/26 · Exercises2026-08-12
    Hazardous operations occur daily August 18-20, 0100Z to 1300Z, within three miles of two positions near Guam in the Philippine Sea.
  2. NAVAREA XI 355/26 · Nav aids2026-08-05
    The No. 3 light buoy at Futami Ko, Chichi Shima, Nanpo Shoto, is extinguished.
  3. HYDROPAC 1978/26 · Other2026-07-10
    Due to Tropical Storm Bavi, Rota Island port is closed, while Apra Harbor and Tinian ports have reopened.
  4. HYDROPAC 2242/25 · Volcanic2025-09-02
    Volcanic activity is reported at Io-To in vicinity of 24-45.00N 141-17.3E.
  5. HYDROPAC 3535/24 · Nav aids2024-11-14
    Cape Santiago light at 13-46.32N 120-39.18E is unlit in the South China Sea, Philippines.
  6. NAVAREA XI 597/24 · Nav aids2024-11-14
    Cape Santiago Light (F2614) in the North Pacific, Philippines, at 13-46.32N 120-39.18E, is extinguished.
  7. NAVAREA XI 491/24 · Volcanic2024-09-19
    Discoloured water observed near Nanpo Shoto at 31-26.4N 140-03.0E on September 18, 2024 at 0545Z. Vessels advised caution.
  8. NAVAREA XI 492/24 · Volcanic2024-09-19
    As of September 19, a volcanic warning for Sumisu Shima at 31-26.3N 140-03.0E expects eruption influence around the volcano.
  9. NAVAREA XI 207/23 · Volcanic2023-06-14
    Discoloured water and submarine volcanic eruption continue near 24-17.2N 141-28.8E, North Pacific, Nanpo Shoto, at 140350Z June. Caution advised.
  10. NAVAREA XI 206/23 · Volcanic2023-06-14
    On June 14, discoloured water was observed near 25-27.1N 141-14.5E in Nanpo Shoto; vessels advised caution.
  11. NAVAREA XI 326/21 · Volcanic2021-10-13
    Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
  12. NAVAREA XI 325/21 · Volcanic2021-10-12
    Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
  13. NAVAREA XI 231/21 · Volcanic2021-07-13
    Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
  14. NAVAREA XI 488/20 · Volcanic2020-12-18
    Volcanic warning for Nishino Shima at 27-14.6N 140-52.7E, eruption influence expected within 0.9 mile, canceling warnings 0037 and 0316/20.

Longest in force

  1. NAVAREA XI 488/20 · Volcanic2020-12-18
    Volcanic warning for Nishino Shima at 27-14.6N 140-52.7E, eruption influence expected within 0.9 mile, canceling warnings 0037 and 0316/20.
  2. NAVAREA XI 231/21 · Volcanic2021-07-13
    Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
  3. NAVAREA XI 325/21 · Volcanic2021-10-12
    Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
  4. NAVAREA XI 326/21 · Volcanic2021-10-13
    Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
  5. NAVAREA XI 207/23 · Volcanic2023-06-14
    Discoloured water and submarine volcanic eruption continue near 24-17.2N 141-28.8E, North Pacific, Nanpo Shoto, at 140350Z June. Caution advised.

By year

96
99
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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

Exercises91854%
Cable ops1529%
Other1378%
Derelicts1177%
Surveys1117%
Volcanic966%
Missiles925%
Nav aids282%
Debris262%
Containers131%
Wrecks101%

Archive · 1,686 cancelled

  1. HYDROPAC 2372/06 · Other2006-12-06 → 2006-12-12
    Underwater ordnance detonations 112330Z to 120630Z dec vicinity 13-27-42N 144-38-30E
  2. HYDROPAC 2271/06 · Volcanic2006-11-22 → 2006-12-11
    Discolored water with submarine volcanic activity reported within 3000 meters of 24-17.1N 141-28.8E at…
  3. HYDROPAC 2238/06 · Surveys2006-11-18 → 2006-12-04
    Submarine research operations 23 nov thru 03 dec by M/V natsushima with submersible in area bound by 32-13N…
  4. HYDROPAC 2225/06 · Volcanic2006-11-16 → 2006-11-22
    Discolored water with submarine volcanic activity reported within 2000 meters of 24-17.1N 141-28.8E at…
  5. HYDROPAC 2023/06 · Surveys2006-10-24 → 2006-11-20
    Survey operations 29 oct thru 19 nov by M/V kairei towing 5500 meter long cable in area bound by 33-00N…
  6. HYDROPAC 1921/06 · Volcanic2006-10-04 → 2008-03-11
    Discolored water with submarine volcanic activity reported within 1700 meters of 24-17.5N 141-29.4E at…
  7. HYDROPAC 1890/06 · Surveys2006-09-28 → 2006-10-24
    Underwater operations 30 sep thru 23 oct by M/V kairei towing 5500 meter long cable along trackline joining…
  8. HYDROPAC 1875/06 · Other2006-09-25 → 2006-09-26
    F/V shun man fa, white hull, last known position 20-10N 131-00E at 222000Z sep
  9. HYDROPAC 1828/06 · Exercises2006-09-18 → 2006-09-23
    Hazardous operations 222104Z to 222229Z sep, alternate 2104Z to 2229Z daily 23 thru 29 sep in areas bound…
  10. HYDROPAC 1761/06 · Exercises2006-09-10 → 2006-09-11
    Hazardous operations 110300Z to 110600Z sep, alternate 0300Z to 0600Z daily 12 thru 30 sep in area bound by:…
  11. HYDROPAC 1737/06 · Exercises2006-09-05 → 2006-09-10
    Hazardous operations 100300Z to 100600Z sep, alternate 0300Z to 0600Z daily 11 thru 30 sep in area bound by:…
  12. HYDROPAC 1657/06 · Exercises2006-08-26 → 2006-08-31
    Gunnery exercises 310001Z to 310700Z aug in area bound by 29-00N 140-50E, 29-00N 141-00E, 31-50N 140-23E,…
  13. HYDROPAC 1638/06 · Volcanic2006-08-25 → 2006-08-30
    Discolored water with submarine volcanic activity reported within 50 meters of 24-17.4N 141-29.1E at 250420Z…
  14. HYDROPAC 1540/06 · Other2006-08-14 → 2006-08-15
    Navigation prohibited 150400Z to 150900Z aug in area bound by 24-35N 121-53E, 24-35N 123-00E, 22-30N…
  15. HYDROPAC 1509/06 · Other2006-08-09 → 2006-08-22
    Navigation prohibited 110400Z to 110900Z aug, alternate 0400Z to 0900Z daily 15, 18, and 22 aug in area…
  16. HYDROPAC 1411/06 · Volcanic2006-07-27 → 2006-08-25
    Discolored water with submarine volcanic activity reported within 100 meters of 24-17.4N 141-29.0E at…
  17. HYDROPAC 1242/06 · Surveys2006-06-30 → 2006-07-28
    Survey operations 05 thru 27 jul by M/V kairei towing 5500 meter long cable in area bound by 30-50N 135-10E,…
  18. HYDROPAC 1118/06 · Exercises2006-06-18 → 2006-07-02
    Hazardous operations 2000Z to 1200Z commencing daily 22 jun thru 01 jul in areas bound by: a. 24-45-45N…
  19. HYDROPAC 1080/06 · Surveys2006-06-13 → 2006-06-30
    Submarine research operations 14 thru 29 jun by M/V kairei with submersible a. within two miles of 19-17.9N…
  20. HYDROPAC 1076/06 · Cable ops2006-06-13 → 2006-06-16
    Seismic survey in progress until 15 jun by M/V atlantic guardian towing 1500 meter long cable in area bound…

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