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
- 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 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 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 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 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.
By year
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26
By month (all years)
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By category · since 1997
| Exercises | 918 | 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 · 1,686 cancelled
- HYDROPAC 1600/10 · Derelicts2010-08-07 → 2010-08-10Derelict vessel adrift vicinity 21-54.4N 121-13.6E at 060730Z aug
- HYDROPAC 1591/10 · Nav aids2010-08-06 → 2010-12-11Nga chart 91010 (6TH ed)
- HYDROPAC 1568/10 · Other2010-08-02 → 2010-08-05Underwater ordnance detonations 2100Z to 0900Z commencing daily 31 jul thru 04 aug in areas bound by: a.…
- HYDROLANT 1478/10 · Other2010-08-02 → 2010-08-05Underwater ordnance detonations 2100Z to 0900Z commencing daily 31 jul thru 04 aug in areas bound by: a.…
- HYDROPAC 1537/10 · Other2010-07-28 → 2010-08-02Underwater ordnance detonations 2100Z to 0900Z commencing daily 31 jul thru 04 aug in areas bound by: a.…
- HYDROPAC 1533/10 · Exercises2010-07-28 → 2010-08-25Gunnery exercises 020001Z to 020100Z and 020600Z to 020700Z, alternate 0001Z to 0100Z and 0600Z to 0700Z…
- HYDROPAC 1532/10 · Exercises2010-07-28 → 2010-08-31Gunnery exercises 2300Z to 0400Z commencing daily 01 thru 05, 08 thru 12, 15 thru 19, 22 thru 26, 29 and 30…
- HYDROPAC 1531/10 · Exercises2010-07-28 → 2010-08-27Gunnery exercises 2300Z to 1000Z commencing daily 01 thru 05, 08 thru 12, 15 thru 19 and 22 thru 26 aug: a.…
- HYDROPAC 1515/10 · Other2010-07-25 → 2010-07-26Underwater ordnance detonations 2100Z to 0900Z commencing daily 28 thru 30 jul in areas bound by: a.…
- HYDROPAC 1505/10 · Surveys2010-07-23 → 2010-08-04Underwater operations 28 jul thru 03 aug by M/V natsushima with submersible within: a. three miles of…
- HYDROPAC 1349/10 · Exercises2010-06-30 → 2010-07-30Gunnery exercises 2300Z to 1000Z commencing daily 04 thru 08, 11 thru 15, 18 thru 22 and 25 thru 29 jul…
- HYDROPAC 1322/10 · Exercises2010-06-26 → 2010-07-30Gunnery exercises 2300Z to 0400Z commencing daily 30 jun, 01, 04 thru 08, 11 thru 15, 18 thru 22, 25 thru 29…
- HYDROPAC 1298/10 · Other2010-06-23 → 2010-06-26Mutiny aboard taiwanese F/V yu-jan-shain in 14-50N 131-30E
- HYDROPAC 1296/10 · Exercises2010-06-23 → 2010-06-30Gunnery exercises 2200Z to 1400Z commencing daily 27 thru 29 jun a. in area bound by 23-43.0N 122-05.0E,…
- HYDROPAC 1287/10 · Exercises2010-06-21 → 2010-07-07Gunnery exercises 0630Z to 0800Z daily 24, 29, 30 jun, 06 and 07 jul in area bound by 24-24N 122-20E, 24-24N…
- HYDROPAC 1262/10 · Exercises2010-06-18 → 2010-06-23Gunnery exercises 230400Z to 230900Z jun within 31 miles of 23-26.5N 122-21.5E
- HYDROPAC 1250/10 · Exercises2010-06-16 → 2010-06-30Gunnery exercises and underwater ordnance detonations 2000Z T0 1200Z commencing daily 20 thru 28 jun,…
- HYDROPAC 1209/10 · Exercises2010-06-10 → 2010-06-10Gunnery exercises 150001Z to 150100Z and 150600Z to 150700Z jun, alternate 0001Z to 0100Z and 0600Z to 0700Z…
- HYDROPAC 1179/10 · Exercises2010-06-05 → 2010-06-24Gunnery exercises 092200Z to 101400Z and 102200Z to 111000Z jun, alternate 222200Z to 231400Z and 232200Z to…
- HYDROPAC 1169/10 · Exercises2010-06-04 → 2010-06-09Gunnery exercises 090400Z to 090900Z jun within 31 miles of 23-26.5N 122-21.5E 2. cancel this msg 091000Z 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.