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 2842/15 · Exercises2015-08-28 → 2015-09-02Gunnery exercises 0400Z to 0600Z daily 01 and 02 sep: a. in area bound by 23-43.0N 122-05.0E, 23-43.0N…
- HYDROPAC 2834/15 · Exercises2015-08-27 → 2015-09-30Gunnery exercises 2300Z to 0400Z commencing daily 31 aug, 01, 03, 06 thru 10, 13 thru 17, 20 thru 24 and 28…
- HYDROPAC 2666/15 · Exercises2015-08-13 → 2015-08-26Gunnery exercises 2300Z to 1400Z commencing daily 17, 18, 24 and 25 aug: a. in area bound by 23-43.0N…
- HYDROPAC 2479/15 · Exercises2015-07-28 → 2015-08-31Gunnery exercises 2300Z to 0400Z commencing daily 01 thru 06, 09 thru 13, 16 thru 20, 23 thru 27 and 30 aug,…
- HYDROPAC 2436/15 · Cable ops2015-07-25 → 2015-07-26Cable laying operations 251100Z to 260200Z jul by cableship durable vicinity 15-06.4N 145-41.7E
- HYDROPAC 2387/15 · Exercises2015-07-21 → 2015-07-24Gunnery exercises 2300Z to 1000Z commencing daily 21 thru 23 jul in area bound by 16-43-54N 135-20-00E,…
- HYDROPAC 2378/15 · Exercises2015-07-20 → 2015-08-20Gunnery exercises 2300Z to 0900Z commencing daily 24 jul thru 20 aug: a. in area bound by 23-43.0N…
- HYDROPAC 2293/15 · Exercises2015-07-11 → 2015-07-23Gunnery exercises 0400Z to 0500Z daily 16 and 22 jul and 0100Z to 0200Z daily 17 and 23 jul: a. in area…
- HYDROPAC 2190/15 · Exercises2015-07-01 → 2015-07-24Gunnery exercises 2300Z to 0900Z commencing daily 05 thru 23 jul: a. in area bound by 23-43.0N 122-05.0E,…
- HYDROPAC 2138/15 · Exercises2015-06-26 → 2015-07-31Gunnery exercises 2300Z to 0400Z commencing daily 30 jun thru 02 jul, 05 thru 09, 12 thru 16, 19 thru 23 and…
- HYDROPAC 2103/15 · Exercises2015-06-25 → 2015-06-26Gunnery exercises 282300Z to 290300Z jun, alternate 292300Z to 300300Z jun within seven miles of 27-04.8N…
- HYDROPAC 2091/15 · Derelicts2015-06-24 → 2015-06-2516 meter F/V yujin maru disabled and adrift due to engine trouble in 21-44.5N 139-59.2E at 240443Z jun
- HYDROPAC 2064/15 · Exercises2015-06-23 → 2015-06-25Gunnery exercises 240400Z to 240500Z jun, alternate 250400Z to 250500Z jun: a. in area bound by 23-43.0N…
- HYDROPAC 1937/15 · Exercises2015-06-14 → 2015-06-28Ordnance
- HYDROPAC 1920/15 · Derelicts2015-06-12 → 2015-06-13F/V hatsuei maru 6 adrift and reports crewman requiring medical assistance in 13-40N 132-48E at 120600Z jun
- HYDROPAC 1897/15 · Exercises2015-06-10 → 2015-06-25Gunnery exercises 2300Z to 1400Z commencing daily 14, 15, 23 and 24 jun: a. in area bound by 23-43.0N…
- HYDROPAC 1811/15 · Exercises2015-06-03 → 2015-06-18Gunnery exercises 2300Z to 0430Z commencing daily 07 thru 11 and 14 thru 17 jun, 0530Z to 0930Z daily 08…
- HYDROPAC 1782/15 · Other2015-05-30 → 2015-06-04Flares reported vicinity aguijan (14-51.2N 145-33.6E) at 300200Z may
- HYDROPAC 1740/15 · Exercises2015-05-27 → 2015-06-30Gunnery exercise 2300Z to 0400Z commencing daily 31 may thru 04 jun, 07 thru 11, 14 thru 17, 21 thru 25, 28…
- HYDROPAC 1737/15 · Exercises2015-05-27 → 2015-05-29Gunnery exercises 0600Z to 0900Z daily 28 and 29 may: a. in area bound by 23-43.0N 122-05.0E, 23-43.0N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.