Hazardous operations are being conducted daily from 0400Z to 1600Z in multiple areas off Saudi Arabia in the Red Sea on August 17-20.
Red Sea · HYDROPAC 2316/26
What this record establishes
Cancelled notice · 2026-08-21 15:40Z
This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-08-11 15:04Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-23 15:17Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Red Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
- issued
- 2026-08-11 15:04Z
- status
- Cancelled notice
- self-cancels
- 2026-08-20 17:00Z
- sea
- Red Sea
- position
- 21.160, 39.040
- nearest port
- Jeddah · 24 nm
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z
Original warning text
RED SEA.
SAUDI ARABIA.
1. HAZARDOUS OPERATIONS 0400Z TO 1600Z DAILY:
A. 17 AUG IN AREA BOUND BY
20-08.28N 040-05.14E, 20-08.28N 040-06.46E,
20-07.25N 040-06.46E, 20-07.43N 040-05.29E.
B. 17 AUG IN AREA BOUND BY
23-01.50N 038-46.50E, 23-03.50N 038-40.51E,
23-09.40N 038-40.51E, 23-09.40N 038-45.40E.
C. 19 AUG IN AREA BOUND BY
19-20.42N 040-53.48E, 19-16.42N 040-57.54E,
19-12.45N 040-53.48E, 19-16.42N 040-48.35E.
D. 17 THRU 20 AUG IN AREA BOUND BY
21-05.35N 039-07.00E, 21-06.00N 038-58.30E,
21-13.24N 038-58.30E, 21-13.30N 039-06.12E.
2. CANCEL THIS MSG 201700Z AUG 26.Reading this warning
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Collected reports in this area · military exercises
86 within 180 nm since 2002 · 3 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Hazardous operations 0300Z to 1500Z daily 06 thru 10 sep in area bound by 21-06.00N 038-58.30E, 21-05.35N…2026-09-01
- Hazardous operations in progress until further notice in area bound by 21-31.95N 038-54.85E, 21-29.50N…2026-08-17
- Hazardous operations 29 sep thru 03 oct in area bound by 21-13.40N 038-58.50E, 21-13.50N 039-06.20E,…2024-09-27
- Hazardous operations 0500Z to 1200Z daily 07 thru 09 may in area bound by 21-28.50N 039-01.80E, 21-28.50N…2024-05-06
- Hazardous operations 07 thru 09 may in area bound by 21-28.50N 039-01.80E, 21-28.50N 038-18.75E, 20-48.80N…2024-05-06
- Hazardous operations 0300Z to 0900Z daily 11 thru 16 may in area bound by 21-23.50N 039-02.30E, 21-23.50N…2024-05-05
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
30 military exercises listed in force · see all
Record snapshot 2026-09-30 14:31Z; source collection times vary.
Exercises
Gunnery, firing and naval exercise areas. All current military exercises →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.