Red Sea
IHO sea area 37 · 34° to 44° E, 12° to 28° N
- in force
- 2
- last 12 months
- 1
- since 1995
- 339
- categories
- 13
In force now · 2
- HYDROPAC 2316/26 · Exercises2026-08-11Hazardous operations are being conducted daily from 0400Z to 1600Z in multiple areas off Saudi Arabia in the Red Sea on August 17-20.
- HYDROPAC 3849/24 · Derelicts2024-12-19A derelict motor vessel ISA STAR is aground in the Red Sea off Saudi Arabia at 18-26N 041-06E, and a previous warning is cancelled.
Longest in force
- HYDROPAC 3849/24 · Derelicts2024-12-19A derelict motor vessel ISA STAR is aground in the Red Sea off Saudi Arabia at 18-26N 041-06E, and a previous warning is cancelled.
- HYDROPAC 2316/26 · Exercises2026-08-11Hazardous operations are being conducted daily from 0400Z to 1600Z in multiple areas off Saudi Arabia in the Red Sea on August 17-20.
By year
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By month (all years)
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By category · since 1997
| Exercises | 123 | 36% |
| Piracy | 74 | 22% |
| Cable ops | 37 | 11% |
| Nav aids | 32 | 9% |
| Other | 21 | 6% |
| Surveys | 17 | 5% |
| Derelicts | 12 | 4% |
| Wrecks | 9 | 3% |
| Missiles | 4 | 1% |
| Debris | 3 | 1% |
| Containers | 3 | 1% |
| Volcanic | 2 | 1% |
| Mines | 2 | 1% |
Archive · 337 cancelled
- HYDROPAC 3711/21 · Exercises2021-12-23 → 2021-12-31Hazardous operations 26 thru 30 dec in areas bound by: 21-06.00N 038-58.50E, 21-05.58N 039-07.00E, 21-13.50N…
- HYDROPAC 3650/21 · Exercises2021-12-16 → 2021-12-23Hazardous operations 0340Z to 0900Z daily 19 thru 23 dec in area within five miles of 21-17.76N 039-07.70E
- HYDROPAC 3502/21 · Surveys2021-12-04 → 2022-03-31Survey operations by M/V px geo 2 towing 9000 meter long cables: a. 05 thru 20 dec in area bound by…
- HYDROPAC 3221/21 · Containers2021-11-09 → 2021-11-1216 containers adrift in vicinity 21-15.37N 038-49.30E
- HYDROPAC 3208/21 · Containers2021-11-08 → 2021-11-1145 containers adrift in vicinity 21-18.95N 038-52.15E
- HYDROPAC 3118/21 · Exercises2021-10-31 → 2021-11-04Hazardous operations 0500Z to 1400Z daily 31 oct thru 04 nov in area bound by 20-46.5N 039-00.0E, 20-46.5N…
- HYDROPAC 3062/21 · Exercises2021-10-26 → 2021-10-26Hazardous operations 0500Z to 1400Z daily 24 thru 26 oct in area bound by 20-46.5N 039-00.0E, 20-46.5N…
- HYDROPAC 3001/21 · Piracy2021-10-20 → 2021-10-27Vessel approached by pirates in 12-43.6N 043-16.2E at 190745Z oct
- HYDROPAC 2666/21 · Piracy2021-09-18 → 2021-09-25M/V reports approach by suspicious vessel in 13-08.0N 043-06.9E on 18 sep
- HYDROPAC 1761/21 · Exercises2021-06-15 → 2021-06-16Hazardous operations in progress until 161500Z jun in area bound by 21-13.40N 038-58.50E, 21-13.50N…
- HYDROPAC 1732/21 · Exercises2021-06-11 → 2021-06-17Hazardous operations 15 and 16 jun in area bound by 20-46.5N 039-00.0E, 20-46.5N 038-38.0E, 20-26.5N…
- HYDROPAC 1208/21 · Exercises2021-04-21 → 2021-04-26Hazardous operations 261100Z to 261500Z apr in area bound by 20-46.3N 039-00.0E, 20-46.3N 038-38.0E,…
- HYDROPAC 1148/21 · Exercises2021-04-14 → 2021-04-16Hazardous operations 0600Z to 0730Z daily 14 thru 16 apr in area bound by 21-25.7N 039-12.0E, 21-25.7N…
- HYDROPAC 975/21 · Exercises2021-03-29 → 2021-04-04Hazardous operations in progress until 03 apr in area bound by 21-06.00N 038-58.50E, 21-13.40N 038-58.50E,…
- HYDROPAC 918/21 · Derelicts2021-03-23 → 2021-04-09S/V mehr disabled and stranded in 21-37N 037-45E
- HYDROPAC 861/21 · Exercises2021-03-18 → 2021-03-26Hazardous operations 21 thru 25 mar in area bound by 21-06.00N 038-58.50E, 21-13.40N 038-58.50E, 21-13.50N…
- HYDROPAC 792/21 · Exercises2021-03-11 → 2021-03-18Hazardous operations 0300Z to 1400Z daily 14 thru 18 mar in area bound by 21-06.00N 038-58.50E, 21-13.40N…
- HYDROPAC 734/21 · Exercises2021-03-05 → 2021-03-10Hazardous operations 0300Z to 1400Z daily 09 and 10 mar in area bound by 21-06.00N 038-58.50E, 21-13.40N…
- HYDROPAC 407/21 · Exercises2021-02-02 → 2021-02-05Hazardous operations 0300Z to 1400Z daily 02 thru 05 feb in area bound by 21-06.00N 038-58.50E, 21-13.40N…
- HYDROPAC 305/21 · Exercises2021-01-22 → 2021-01-27Hazardous operations 0300Z to 1400Z daily 26 and 27 jan in area bound by 21-06.00N 038-58.50E, 21-05.58N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.