Louisiana to maryland
Gulf of Mexico · NAVAREA IV 1080/22
What this record establishes
Archived notice · 2022-10-31 00:59Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · WHOI 0/22 122342Z OCT 22.. Issued 2022-10-13 00:15Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Gulf of Mexico. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Louisiana to marylandcancelled by this notice
Current notices and reporting history in the Gulf of Mexico →
- issued
- 2022-10-13 00:15Z
- status
- Archived notice
- self-cancels
- 2022-10-31 00:59Z
- authority
- WHOI 0/22 122342Z OCT 22.
- NAVAREA
- NAVAREA IV
- issued by
- WHOI
- sea
- Gulf of Mexico
- position
- 27.668, -88.712
- vessel
- M/V ATLANTIS · 37 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC.
GULF OF MEXICO.
LOUISIANA TO MARYLAND.
1. UNDERWATER OPERATIONS BY M/V ATLANTIS
0001Z TO 2359Z DAILY:
A. 14 OCT IN AREA WITHIN
20 MILES OF 28-07.30N 089-08.20W.
B. 15 OCT IN AREA WITHIN
20 MILES OF 27-43.40N 091-16.80W.
C. 16 OCT IN AREA WITHIN
20 MILES OF 27-46.90N 091-30.50W.
D. 17 OCT IN AREA WITHIN
20 MILES OF 27-27.70N 091-13.20W.
E. 18 OCT IN AREA WITHIN
20 MILES OF 27-06.40N 091-09.90W.
F. 20 OCT IN AREA WITHIN
20 MILES OF 27-38.90N 088-21.80W.
G. 22 OCT IN AREA WITHIN
20 MILES OF 25-56.50N 084-56.50W.
H. 27 OCT IN AREA WITHIN
5 MILES OF 32-29.50N 076-11.50W.
I. 29 OCT IN AREA WITHIN
5 MILES OF 38-02.80N 073-49.30W.
J. 30 OCT IN AREA WITHIN
5 MILES OF 37-32.50N 074-06.10W.
2. CANCEL NAVAREA IV 1064/22.
3. CANCEL THIS MSG 310059Z OCT 22.
Reading this warning
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- NAVAREA
- One of the 21 ocean areas of the World-Wide Navigational Warning Service, each with a coordinator that broadcasts long-range warnings.
- 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 · survey operations
37 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.
- Survey operations in progress until 31 dec by M/V island frontier with M/V rem andes and M/V sanco sword…2026-08-22
- Survey operations in progress until 31 dec by M/V island frontier in area bound by 27-54.83N 092-06.05W,…2026-08-06
- Survey operations in progress until 15 sep by M/V island pride, M/V sanco swift and M/V olympic artemis in…2026-06-15
- Survey operations 01 apr thru 15 jun by M/V sanco sword, M/V olympic artemis, M/V fulmar explorer and M/V…2024-03-29
- Survey operations in progress until 30 apr by M/V chloe candies, M/V sanco spirit and M/V artemis athene in…2024-02-21
- Survey operations in progress until 30 may in area bound by 27-31.90N 090-24.60W, 27-33.10N 092-03.90W,…2024-02-15
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
54 survey operations listed in force · see all
Record snapshot 2026-10-02 12:52Z; source collection times vary.
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.