600 meter orange buoyed scientific float established until 282200Z jun in area bound by 18-09.84N…
Caribbean Sea · NAVAREA IV 727/23
What this record establishes
Archived notice · 2023-06-28 23:00Z
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) · ANGUILLA 0/23 281403Z JUN 23.. Issued 2023-06-28 14:22Z. 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
- Caribbean 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.
Current notices and reporting history in the Caribbean Sea →
- issued
- 2023-06-28 14:22Z
- status
- Archived notice
- self-cancels
- 2023-06-28 23:00Z
- authority
- ANGUILLA 0/23 281403Z JUN 23.
- NAVAREA
- NAVAREA IV
- issued by
- ANGUILLA
- sea
- Caribbean Sea
- position
- 18.171, -63.195
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN CARIBBEAN SEA. ANGUILLA. 1. 600 METER ORANGE BUOYED SCIENTIFIC FLOAT ESTABLISHED UNTIL 282200Z JUN IN AREA BOUND BY 18-09.84N 063-12.33W, 18-10.66N 063-12.33W, 18-10.66N 063-11.02W, 18-09.84N 063-11.02W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 282300Z JUN 23.
Reading this warning
- 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.
- 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.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · survey operations
8 within 180 nm since 1999 · 0 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.
- 600 meter orange buoyed scientific float established until 272200Z jun in area bound by 18-16.93N…2023-06-27
- Survey operations in progress until 30 jan by M/V ridley thomas along trackline joining 16-46.25N…2020-01-10
- Kitts and nevis2016-11-11
- Kitts and nevis2016-10-21
- Bottom scientific moorings, extending 1000 to 4000 meters above sea floor, established until 04 jul in: a.…2015-02-02
- Underwater operations 01 thru 04 mar by M/V l'atalante with submersible within two miles of 15-45N 061-45W2010-02-24
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
- Anchoring prohibited until further notice in area bound by 18-13.60N 063-04.15W, 18-13.60N 063-04.70W,…Other · 7.5 nm
- Kitts and nevisSpills · 48.3 nm
Worldwide in the collected sources
55 survey operations listed in force · see all
Record snapshot 2026-09-27 21:22Z; 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.