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 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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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 2600/12 · Exercises2012-09-11 → 2012-09-19Gunnery exercises 2300Z to 0930Z commencing daily 11, 17 and 18 sep: a. in area bound by 23-43.0N 122-05.0E…
- HYDROPAC 2496/12 · Exercises2012-08-31 → 2012-08-31Hazardous operations
- HYDROPAC 2484/12 · Exercises2012-08-30 → 2012-09-11Gunnery exercises 2300Z to 0430Z commencing daily 03 thru 06, 09 thru 11, 17 and 18 sep, 0530Z to 0930Z…
- HYDROPAC 2479/12 · Exercises2012-08-29 → 2012-09-28Gunnery exercises 2300Z to 0400Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20 and 23 thru 27 sep,…
- HYDROPAC 2380/12 · Exercises2012-08-20 → 2012-08-31Gunnery exercises 210600Z to 210800Z aug, 2300Z to 0430Z commencing daily 21 thru 27, 29 and 30 aug, 0530Z…
- HYDROPAC 2376/12 · Exercises2012-08-20 → 2012-08-20Gunnery exercises 210600Z to 210800Z and 290300Z to 290600Z aug: a. in area bound by 23-43.0N 122-05.0E,…
- HYDROPAC 2374/12 · Exercises2012-08-20 → 2012-08-23Gunnery exercise 250001Z to 250800Z aug in area bound by 23-42N 124-36E, 23-34N 124-43E, 22-17N 123-04E,…
- HYDROPAC 2350/12 · Cable ops2012-08-17 → 2012-09-21Underwater operations 21 aug thru 15 sep, alternate 16 thru 20 sep by cableship decisive in areas: a. bound…
- HYDROPAC 2258/12 · Exercises2012-08-09 → 2012-08-09Gunnery exercises 090430Z to 090800Z aug within 20 miles of 18-41N 145-08E
- HYDROPAC 2190/12 · Cable ops2012-08-01 → 2012-08-11Underwater operations in progress until 15 aug, alternate 16 thru 20 aug by cableship decisive in area bound…
- HYDROPAC 2147/12 · Exercises2012-07-27 → 2012-08-31Gunnery exercises 2300Z to 0400Z commencing daily 31 jul thru 02 aug, 05 thru 09, 12 thru 16, 19 thru 23 and…
- HYDROPAC 2119/12 · Exercises2012-07-25 → 2012-07-31Gunnery exercises 300300Z to 300600Z jul, alternate 310300Z to 310600Z jul: a. in area bound by 23-43.0N…
- HYDROPAC 2018/12 · Derelicts2012-07-16 → 2012-07-19Derelict F/V, white hull partially submerged and adrift in 28-54.9N 137-01.3E at 160758Z jul
- HYDROPAC 1989/12 · Exercises2012-07-13 → 2012-08-03Gunnery exercises 2300Z to 0430Z commencing daily 15 jul thru 02 aug and 0530Z to 0930Z daily 16 jul thru 03…
- HYDROPAC 1986/12 · Exercises2012-07-13 → 2012-07-19Gunnery exercises 0300Z to 0600Z daily 18 and 19 jul: a. in area bound by 23-43.0N 122-05.0E, 23-43.0N…
- HYDROPAC 1971/12 · Exercises2012-07-12 → 2012-07-14Gunnery exercises 13 jul in area bound by 09-28.2N 125-08.5E, 09-49.2N 125-08.5E, 09-49.2N 124-47.2E,…
- HYDROPAC 1865/12 · Exercises2012-06-30 → 2012-07-09Gunnery exercises 0230Z to 0300Z daily 05 and 06 and 090100Z to 090130Z jul: a. in area bound by 22-36N…
- HYDROPAC 1864/12 · Exercises2012-06-30 → 2012-07-09Gunnery exercises 1800Z to 0930Z commencing daily 04, 05 and 08 jul: a. in area bound by 22-48N 121-11E,…
- HYDROPAC 1821/12 · Exercises2012-06-27 → 2012-07-31Gunnery exercises 2300Z to 0400Z commencing daily 01 thru 05, 08 thru 12, 15 thru 19, 22 thru 26, 29 and 30,…
- HYDROPAC 1750/12 · Derelicts2012-06-20 → 2012-06-23Derelict 60 ton F/V hsin man chun, partially submerged and adrift in 21-24.4N 132-06.4E at 201651Z 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.