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 3380/23 · Exercises2023-10-25 → 2023-11-03Hazardous operations 30 oct thru 02 nov in area bound by 21-13.40N 038-58.50E, 21-13.50N 039-06.20E,…
- HYDROPAC 2953/23 · Exercises2023-09-14 → 2023-10-01Hazardous operations 18 thru 30 sep in area bound by 20-48.00N 039-15.00E, 20-48.10N 038-38.00E, 20-26.00N…
- HYDROPAC 2884/23 · Exercises2023-09-07 → 2023-09-14Hazardous operations 10 thru 13 sep in area bound by 21-06.00N 038-58.50E, 21-13.40N 038-58.50E, 21-13.50N…
- HYDROPAC 2196/23 · Exercises2023-07-05 → 2023-07-14Hazardous operations 10 thru 13 jul in area bound by 21-13.50N 039-06.20E, 21-13.40N 038-58.50E, 21-06.00N…
- HYDROPAC 2103/23 · Piracy2023-06-27 → 2023-06-30M/V approached by pirates in 14-50.00N 042-34.20E at 270545Z jun
- HYDROPAC 1921/23 · Exercises2023-06-08 → 2023-06-15Hazardous operations 0500Z to 1000Z daily 12 thru 15 jun in area bound by 20-46.50N 039-00.00E, 20-46.50N…
- HYDROPAC 1720/23 · Exercises2023-05-23 → 2023-05-25Hazardous operations in progress until 24 may in area bound by 21-13.50N 039-06.20E, 21-13.40N 038-58.50E,…
- HYDROPAC 1317/23 · Cable ops2023-04-20 → 2023-04-24Cable operations in progress until 15 may by cableship ile de aix fici in area bound by 22-05.00N…
- HYDROPAC 1066/23 · Cable ops2023-03-29 → 2023-04-20Cable operations 291400Z mar to 152300Z may by cableship ile de aix in area bound by 22-05.00N 038-04.00E,…
- HYDROPAC 891/23 · Piracy2023-03-17 → 2023-03-20Vessel attacked in 14-13.07N 042-44.01E at 170150Z mar
- HYDROPAC 612/23 · Cable ops2023-02-23 → 2023-03-05Cable operations 23 feb thru 04 mar by cableship ile de batz in area bound by 27-11.6N 034-46.4E, 27-06.7N…
- HYDROPAC 601/23 · Cable ops2023-02-22 → 2023-03-29Cable operations 23 feb thru 30 jun by cableship ile de aix along trackline joining 21-55.28N 037-33.83E,…
- HYDROPAC 600/23 · Exercises2023-02-22 → 2023-03-04Hazardous operations 0300Z to 1500Z daily 26 feb thru 04 mar in area bound by 21-13.50N 039-06.20E,…
- HYDROPAC 515/23 · Exercises2023-02-15 → 2023-03-17Hazardous operations 15 feb thru 16 mar in area bound by 20-46.50N 039-00.00E, 20-46.50N 038-38.00E,…
- HYDROPAC 380/23 · Exercises2023-02-03 → 2023-02-28Hazardous operations 0700Z to 1300Z and 1400Z to 2000Z daily: a. 02, 04, 06 thru 09, 11, 13 thru 15, 18, 20…
- HYDROPAC 355/23 · Cable ops2023-01-31 → 2023-02-07Cable operations 01 thru 11 feb by c/s ile de brehat in area bound by 27-14.23N 034-34.54E, 27-15.27N…
- HYDROPAC 239/23 · Cable ops2023-01-20 → 2023-01-23Cable operations in progress until 22 jan by cableship ile daix fici along trackline joining 27-25.00N…
- HYDROPAC 229/23 · Exercises2023-01-19 → 2023-01-27Hazardous operations 22 thru 26 jan in area bound by 21-06.00N 038-58.50E, 21-05.58N 038-07.00E, 21-12.50N…
- HYDROPAC 170/23 · Cable ops2023-01-14 → 2023-01-21Cable operations 16 thru 20 jan by cableship ile de brehat along trackline joining 22-04.63N 038-01.27E,…
- HYDROPAC 143/23 · Cable ops2023-01-12 → 2023-01-16Cable operations in progress until 15 jan by cableship ile d' aix along trackline joining 21-33.48N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.