Philippine Sea
IHO sea area 56 · 120° to 146° E, 3° to 35° N
- in force
- 14
- last 12 months
- 4
- since 1996
- 1,699
- categories
- 11
In force now · 14
- HYDROPAC 2325/26 · Exercises2026-08-12Hazardous operations occur daily August 18-20, 0100Z to 1300Z, within three miles of two positions near Guam in the Philippine Sea.
- NAVAREA XI 355/26 · Nav aids2026-08-05The No. 3 light buoy at Futami Ko, Chichi Shima, Nanpo Shoto, is extinguished.
- HYDROPAC 1978/26 · Other2026-07-10Due to Tropical Storm Bavi, Rota Island port is closed, while Apra Harbor and Tinian ports have reopened.
- HYDROPAC 2242/25 · Volcanic2025-09-02Volcanic activity is reported at Io-To in vicinity of 24-45.00N 141-17.3E.
- HYDROPAC 3535/24 · Nav aids2024-11-14Cape Santiago light at 13-46.32N 120-39.18E is unlit in the South China Sea, Philippines.
- NAVAREA XI 597/24 · Nav aids2024-11-14Cape Santiago Light (F2614) in the North Pacific, Philippines, at 13-46.32N 120-39.18E, is extinguished.
- NAVAREA XI 491/24 · Volcanic2024-09-19Discoloured water observed near Nanpo Shoto at 31-26.4N 140-03.0E on September 18, 2024 at 0545Z. Vessels advised caution.
- NAVAREA XI 492/24 · Volcanic2024-09-19As of September 19, a volcanic warning for Sumisu Shima at 31-26.3N 140-03.0E expects eruption influence around the volcano.
- NAVAREA XI 206/23 · Volcanic2023-06-14On June 14, discoloured water was observed near 25-27.1N 141-14.5E in Nanpo Shoto; vessels advised caution.
- NAVAREA XI 207/23 · Volcanic2023-06-14Discoloured water and submarine volcanic eruption continue near 24-17.2N 141-28.8E, North Pacific, Nanpo Shoto, at 140350Z June. Caution advised.
- NAVAREA XI 326/21 · Volcanic2021-10-13Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
- NAVAREA XI 325/21 · Volcanic2021-10-12Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
- NAVAREA XI 231/21 · Volcanic2021-07-13Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
- NAVAREA XI 488/20 · Volcanic2020-12-18Volcanic 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
- NAVAREA XI 488/20 · Volcanic2020-12-18Volcanic warning for Nishino Shima at 27-14.6N 140-52.7E, eruption influence expected within 0.9 mile, canceling warnings 0037 and 0316/20.
- NAVAREA XI 231/21 · Volcanic2021-07-13Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
- NAVAREA XI 325/21 · Volcanic2021-10-12Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
- NAVAREA XI 326/21 · Volcanic2021-10-13Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
- NAVAREA XI 206/23 · Volcanic2023-06-14On June 14, discoloured water was observed near 25-27.1N 141-14.5E in Nanpo Shoto; vessels advised caution.
By year
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By month (all years)
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By category · since 1997
| Exercises | 917 | 54% |
| Cable ops | 152 | 9% |
| Other | 137 | 8% |
| Derelicts | 117 | 7% |
| Surveys | 111 | 7% |
| Volcanic | 96 | 6% |
| Missiles | 92 | 5% |
| Nav aids | 28 | 2% |
| Debris | 26 | 2% |
| Containers | 13 | 1% |
| Wrecks | 10 | 1% |
Archive · 1,685 cancelled
- HYDROPAC 2877/19 · Exercises2019-09-02 → 2019-09-03Hazardous operations 030030Z to 030430Z sep in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2831/19 · Exercises2019-08-30 → 2019-09-01Hazardous operations 312200Z aug to 010200Z sep in area bound by 16-40.0N 144-29.3E, 16-40.0N 144-50.3E,…
- HYDROPAC 2830/19 · Exercises2019-08-30 → 2019-08-30Hazardous operations 301400Z to 301430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2808/19 · Exercises2019-08-29 → 2019-08-31Hazardous operations 302200Z to 310200Z aug in area bound by 16-40N 144-29.30E, 16-40N 144-50.30E, 16-20N…
- HYDROPAC 2807/19 · Exercises2019-08-29 → 2019-08-30Hazardous operations 301030Z to 301430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2798/19 · Exercises2019-08-28 → 2019-08-29Hazardous operations 281400Z to 290430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2782/19 · Exercises2019-08-27 → 2019-08-28Hazardous operations 280030Z to 281359Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2766/19 · Exercises2019-08-25 → 2019-08-26Hazardous operations 261030Z to 261359Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2714/19 · Exercises2019-08-22 → 2019-08-23Hazardous operations 222100Z to 230600Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2700/19 · Surveys2019-08-21 → 2019-08-27Underwater operations 22 thru 26 aug by M/V shinkai 6500, M/V yokosuka in area bound by 26-10N 140-00E,…
- HYDROPAC 2699/19 · Exercises2019-08-21 → 2019-08-22Hazardous operations 211900Z to 221200Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2686/19 · Exercises2019-08-20 → 2019-08-21Hazardous operations 210030Z to 210430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2669/19 · Exercises2019-08-19 → 2019-08-20Hazardous operations 200030Z to 200430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2637/19 · Derelicts2019-08-15 → 2019-08-20M/V kinseimaru no
- HYDROPAC 2632/19 · Exercises2019-08-15 → 2019-08-16Hazardous operations 160030Z to 160430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2621/19 · Exercises2019-08-14 → 2019-08-15Hazardous operations 150030Z to 150430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2607/19 · Exercises2019-08-13 → 2019-08-14Hazardous operations 140030Z to 140430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2595/19 · Exercises2019-08-12 → 2019-08-13Hazardous operations 130030Z to 130430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2560/19 · Exercises2019-08-09 → 2019-08-12Hazardous operations 120030Z to 120430Z aug in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2520/19 · Surveys2019-08-06 → 2019-08-10Underwater operations 07 to 09 aug by M/V shinkai 6500 and M/V yokosuka in area bound by 26-54N 141-24E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.