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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26
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 4431/18 · Cable ops2018-12-13 → 2018-12-22Cable operations 13 thru 24 dec, alternate 25 thru 29 dec by cableship kddi ocean link in area bound by…
- HYDROPAC 4426/18 · Cable ops2018-12-12 → 2018-12-13Cable operations 13 thru 24 dec, alternate 25 thru 29 dec by cableship kddi ocean link in area bound by…
- HYDROPAC 4409/18 · Exercises2018-12-11 → 2018-12-13Hazardous operations 0001Z to 0500Z daily 12 and 13 dec in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 4381/18 · Derelicts2018-12-08 → 2018-12-11Derelict F/V, partially submerged and adrift in vicinity 23-25N 141-21E at 080355Z dec
- HYDROPAC 4367/18 · Surveys2018-12-07 → 2019-01-03Underwater operations in progress until 14 feb 19 by unmanned seven meter vessel in vicinity of trackline…
- HYDROPAC 4346/18 · Exercises2018-12-06 → 2018-12-07Hazardous operations 071827Z to 071840Z dec in area bound by 22-20-00N 126-42-46E, 22-35-20N 126-48-37E,…
- HYDROPAC 4304/18 · Exercises2018-12-03 → 2018-12-03Hazardous operations 032300Z to 040500Z dec in area within three miles of 13-42N 144-36E
- HYDROPAC 4269/18 · Exercises2018-11-30 → 2018-12-14Hazardous operations 291400Z nov to 141359Z dec in 13-30N 144-30E
- HYDROPAC 4241/18 · Exercises2018-11-28 → 2018-11-29Hazardous operations 282200Z to 290700Z nov in area within three miles of 13-21N 144-20E
- HYDROPAC 4166/18 · Other2018-11-19 → 2018-12-07Diver missing in vicinity 07-52N 134-40E at 190610Z nov
- HYDROPAC 4133/18 · Exercises2018-11-16 → 2018-11-24Hazardous operations 2300Z to 0600Z commencing daily 18 thru 23 nov in area within 12 miles of 16-01.06N…
- HYDROPAC 3980/18 · Exercises2018-11-03 → 2018-11-08Gunnery exercises 080001Z to 080700Z nov within 20 miles of 10-25.0N 126-45.5E
- HYDROPAC 3979/18 · Exercises2018-11-03 → 2018-11-08Gunnery exercises 081000Z to 081230Z nov in area within 20 miles of 09-40.5N 126-55.0E
- HYDROPAC 3969/18 · Exercises2018-11-02 → 2018-11-07Gunnery exercises 070400Z to 070800Z nov in area within 20 miles of 14-15N 126-10E
- HYDROPAC 3899/18 · Other2018-10-27 → 2018-10-30Due to typhoon yutu: 1. the following port(s) are closed: none to report
- HYDROPAC 3896/18 · Exercises2018-10-27 → 2018-11-30Gunnery exercises: a. 2300Z to 0500Z commencing daily 31 oct, 01, 04 thru 08, 11 thru 15, 18 thru 22 and 25…
- HYDROPAC 3882/18 · Surveys2018-10-26 → 2018-12-07Underwater operations in progress until 30 jan 19 by unmanned seven meter vessel in vicinity of trackline…
- HYDROPAC 3880/18 · Other2018-10-26 → 2018-10-27Due to typhoon yutu: 1. the following port(s) are closed: a. saipan 15-11N 145-45E
- HYDROPAC 3870/18 · Other2018-10-25 → 2018-10-26Due to typhoon yutu: 1. the following port(s) are closed: a. rota island 14-09N 145-12E
- HYDROPAC 3862/18 · Missiles2018-10-24 → 2018-10-29Hazardous operations, rocket launching: a. 290413Z to 290429Z oct in area bound by 29-30-00N 132-48-14E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.