Survey operations by vessel Sea Horse II are in progress until 16 November in an area near 07-57N 058-27W to 07-11N 057-33W, wide berth requested.
North Atlantic Ocean · NAVAREA IV 551/26
What this record establishes
Listed in force
The latest collected record lists this warning as active. This is the status of the notice, not a live observation of conditions at the location.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-06-09 20:15Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-10-01 12:17Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- North Atlantic Ocean. 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 North Atlantic Ocean →
- issued
- 2026-06-09 20:15Z
- status
- Listed in force
- self-cancels
- 2026-11-17 00:01Z
- NAVAREA
- NAVAREA IV
- sea
- North Atlantic Ocean
- position
- 7.580, -58.010
- vessel
- M/V SEA HORSE II · 4 messages
- nearest port
- Georgetown · 47 nm
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z
Original warning text
1. SURVEY OPERATIONS IN PROGRESS UNTIL 16 NOV BY M/V SEA HORSE II IN AREA BOUND BY 07-57.54N 058-27.64W, 07-57.95N 057-51.01W, 07-57.54N 057-51.01W, 07-11.93N 057-33.86W, 07-11.51N 058-09.64W, 07-57.54N 058-27.64W. WIDE BERTH REQUESTED. 2. CANCEL NAVAREA IV 536/26. 3. CANCEL THIS MSG 170001Z NOV 26.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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.
- 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.
Conditions at the position · now
loading…
MET Norway · NOAA WaveWatch III · HYCOM · GEBCO 2020 · model data at the centroid, not an observation
Collected reports in this area · survey operations
274 within 180 nm since 2014 · 16 in the last 12 months · 13 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 27 sep thru 23 oct by tug dona jose II and M/V exxonmobil guyana limited in area bound by…2026-09-14
- Survey operations until 01 dec by M/V genesis in area bound by 07-15.96N 055-45.64W, 07-17.89N 055-45.22W,…2026-08-24
- Survey operations 01 sep thru 20 nov 26 by M/V hos ridgewind in area bound by 07-44.74N 056-13.99W,…2026-08-13
- Survey operations in progress until 31 dec by vessel aht DN87 and tug telesto in area bound by 07-03.06N…2026-07-20
- Underwater operations in progress until 31 dec by M/V prinsengracht in area bound by 08-03.09N 056-46.88W,…2026-06-24
- Survey operations in progress until 15 nov by M/V moonrise g in area bound by 07-50.19N 058-24.50W,…2026-06-23
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
- Survey operations in progress until 16 nov by M/V seaquest in area bound by 07-57.54N 058-27.64W, 07-57.95N…Surveys · 0 nm
- Survey operations in progress until 15 nov by M/V moonrise g in area bound by 07-50.19N 058-24.50W,…Surveys · 11.1 nm
- Survey operations in progress until 15 nov by M/V bgp prospector in area bound by 07-50.19N 058-24.50W,…Surveys · 11.1 nm
- M/V barima sank in 07-28.23N 058-23.40WWrecks · 23.6 nm
- Odas buoy established in 07-02.67N 057-58.65WNav aids · 32.2 nm
- Two odas buoys established in vicinity 06-57.93N 057-48.54WNav aids · 38.8 nm
- Survey operations in progress until 31 dec by vessel aht DN87 and tug telesto in area bound by 07-03.06N…Surveys · 38.9 nm
- Barge trader III sank in 06-53.77N 057-53.43WWrecks · 41.7 nm
- Underwater operations in progress until 31 dec by M/V c-worker 1 in area bound by 07-54.85N 057-06.47W,…Surveys · 66.6 nm
- Underwater operations in progress until 31 dec 26 by osv aldemir souza tide in area bound by 08-15.96N…Surveys · 69.8 nm
- Underwater operations in progress until further notice by M/V bourbon calm and M/V bourbon sapphire in areas…Surveys · 72.1 nm
- Survey operations in progress until 31 dec 26 by M/V fugro brasilis in area bound by: 08-00.00N 057-09.90W,…Surveys · 72.5 nm
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-01 12:20Z; 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.