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
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14
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17
18
19
20
21
22
23
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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 1531/09 · Exercises2009-08-27 → 2009-09-30
    Gunnery exercises 2300Z to 0400Z commencing daily 31 aug thru 03 sep, 06 thru 10, 13 thru 17, 20 thru 24 and…
  2. HYDROPAC 1497/09 · Exercises2009-08-21 → 2009-08-26
    Hazardous operations: a. 250540Z to 250940Z aug, alternate 260540Z to 260940Z aug in area bound by 34-25-46N…
  3. HYDROPAC 1482/09 · Exercises2009-08-20 → 2009-08-31
    Gunnery exercises 240300Z to 240500Z and 310400Z to 310600Z aug within 31 miles of 23-26.5N 122-21.5E
  4. HYDROPAC 1460/09 · Exercises2009-08-16 → 2009-08-21
    Hazardous operations: a. 190540Z to 190940Z aug, alternate 0540Z to 0940Z daily 20 thru 26 aug in area bound…
  5. HYDROPAC 1457/09 · Exercises2009-08-15 → 2009-08-21
    Gunnery exercises 2200Z to 0800Z commencing daily 17 and 18 aug, alternate 2300Z to 0900Z commencing daily…
  6. HYDROPAC 1404/09 · Exercises2009-08-07 → 2009-08-09
    Hazardous operations 11 aug: a. 0540Z to 0940Z in area bound by 34-25-46N 127-31-13E, 34-16-47N 127-26-11E,…
  7. HYDROPAC 1358/09 · Exercises2009-07-30 → 2009-08-06
    Gunnery exercises 0400Z to 0600Z daily 31 jul, 03 and 06 aug within 31 miles of 23-26.5N 122-21.5E
  8. HYDROPAC 1357/09 · Exercises2009-07-30 → 2009-08-31
    Gunnery exercises 2300Z to 0400Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20, 23 thru 27 and 30 aug…
  9. HYDROPAC 1243/09 · Exercises2009-07-09 → 2009-07-16
    Gunnery exercises 0001Z to 0400Z daily 14 and 16 jul within 16 miles of 24-21.4N 122-00.0E
  10. HYDROPAC 1192/09 · Exercises2009-06-28 → 2009-07-02
    Gunnery exercises 021000Z to 021400Z jul within 16 miles of 24-21.4N 122-00.0E
  11. HYDROPAC 1177/09 · Exercises2009-06-26 → 2009-07-31
    Gunnery exercises 2300Z to 0400Z commencing daily 30 jun thru 02 jul, 05 thru 09, 12 thru 16, 19 thru 23 and…
  12. HYDROPAC 1115/09 · Exercises2009-06-16 → 2009-06-29
    Hazardous operations 2000Z to 1200Z commencing daily 19 thru 27 jun, alternate 282000Z to 291200Z jun in…
  13. HYDROPAC 1065/09 · Exercises2009-06-07 → 2009-06-11
    Gunnery exercises 092200Z to 101300Z and 102200Z to 110900Z jun within 31 miles of 23-26.5N 122-21.5E
  14. HYDROPAC 1051/09 · Exercises2009-06-04 → 2009-06-30
    Gunnery exercises 0001Z to 0400Z daily 08, 10, 12, 16, 18, 22, 24, 26 and 30 jun within 16 miles 0F 24-21.4N…
  15. HYDROPAC 1050/09 · Exercises2009-06-04 → 2009-06-30
    Gunnery exercises 2300Z to 0400Z commencing daily 04, 07 thru 11, 14 thru 18, 21 thru 25, 28 and 29 jun and…
  16. HYDROPAC 1015/09 · Surveys2009-05-29 → 2009-06-14
    Underwater operations during daylight hours daily 03 thru 13 jun by M/V kairei with submersible vicinity of…
  17. HYDROPAC 960/09 · Exercises2009-05-18 → 2009-05-19
    Gunnery exercises 190300Z to 190500Z may within 31 miles of 23-26.5N 122-21.5E
  18. HYDROPAC 935/09 · Cable ops2009-05-14 → 2009-05-28
    Seismic survey in progress until 27 may by M/V marcus g. langseth towing 3.3 mile long cable in area bound…
  19. HYDROPAC 900/09 · Exercises2009-05-09 → 2009-05-14
    Gunnery exercises 2200Z to 1300Z commencing daily 12 and 13 may within 31 miles of 23-26.5N 122-21.5E
  20. HYDROPAC 889/09 · Volcanic2009-05-09 → 2010-02-03
    Nga chart 97521 (6TH ed)

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