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 3857/18 · Other2018-10-24 → 2018-10-25Due to typhoon yutu: 1. the following port(s) are closed: a. apra harbor 13-27N 144-37E
- HYDROPAC 3569/18 · Volcanic2018-09-28 → 2018-10-31Discolored water with submarine volcanic activity within three miles of 27-14.6N 140-52.7E at 280431Z sep
- HYDROPAC 3369/18 · Exercises2018-09-16 → 2018-09-17Hazardous operations 161400Z to 171359Z sep in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 3349/18 · Exercises2018-09-15 → 2018-09-16Hazardous operations 151400Z to 161359Z sep in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 3323/18 · Volcanic2018-09-12 → 2019-01-04Volcanic activity reported in vicinity of 24-45.6N 141-18.7E on 12 sep
- HYDROPAC 3164/18 · Exercises2018-08-29 → 2018-09-28Gunnery exercises: a. 2300Z to 0500Z commencing daily 02 thru 06, 09 thru 13, 16 thru 20 and 24 thru 27 sep…
- HYDROPAC 3047/18 · Surveys2018-08-19 → 2018-08-20Underwater operations 21 aug thru 01 sep, alternate 02 sep, by M/V ocean titan in area bound by 29-29-07N…
- HYDROPAC 2738/18 · Exercises2018-07-27 → 2018-09-01Gunnery exercises: a. 2300Z to 0500Z commencing daily 31 jul thru 02 aug, 05 thru 09, 12 thru 16, 19 thru…
- HYDROPAC 2597/18 · Derelicts2018-07-16 → 2018-07-17M/V mamautari disabled and adrift due to engine trouble in 26-08.1N 135-20.0E at 152300Z jul
- HYDROPAC 2585/18 · Derelicts2018-07-14 → 2018-07-17M/V mamautari adrift due to engine failure in 26-23.73N 135-42.63E at 141100Z jul
- HYDROPAC 2571/18 · Volcanic2018-07-13 → 2018-10-31Volcanic activity reported in area within one mile of 27-14.6N 140-52.7E at 131300Z jul
- HYDROPAC 2554/18 · Volcanic2018-07-12 → 2018-07-13Volcanic activity reported in 27-14.6N 140-52.7E at 120502Z jul
- HYDROPAC 2371/18 · Exercises2018-06-27 → 2018-07-31Gunnery exercises: a. 2300Z to 0500Z commencing daily 01 thru 05, 08 thru 12, 15 thru 19, 22 thru 26, 29 and…
- HYDROPAC 2329/18 · Exercises2018-06-23 → 2018-06-29Gunnery exercises 280001Z to 280800Z jun, alternate 290001Z to 290800Z jun in area within five miles of…
- HYDROPAC 2170/18 · Exercises2018-06-11 → 2018-06-25Hazardous operations 2000Z to 1200Z commencing daily 15 thru 22 jun, alternate 2000Z to 1200Z commencing…
- HYDROPAC 2146/18 · Missiles2018-06-09 → 2018-06-12Hazardous operation, rocket launching: a. 120425Z to 120443Z jun in area bound by 29-39-00N 132-56-00E,…
- HYDROPAC 2123/18 · Exercises2018-06-07 → 2018-06-08Hazardous operations 080100Z to 081400Z jun in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 2117/18 · Missiles2018-06-06 → 2018-06-11Hazardous operation, rocket launching: a. 110405Z to 110609Z jun in area bounded by 29-39-00N 132-56-00E,…
- HYDROPAC 2014/18 · Exercises2018-05-27 → 2018-06-29Gunnery exercises 2300Z to 0500Z commencing daily 31 may, 03 thru 07, 10 thru 14, 18 thru 21 and 24 thru 28…
- HYDROPAC 1735/18 · Exercises2018-05-06 → 2018-05-07Hazardous operations 062300Z to 071100Z may in area within 12 miles of 16-01.06N 146-03.35E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.