Surveys

Survey operations in progress until 06 mar by M/V wg tasman, M/V wg cook, M/V geco topaz and M/V geco…

Gulf of Mexico · NAVAREA IV 185/18

What this record establishes

Archived notice · 2018-03-07 00:01Z

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) · MEXICO IV 25/18 020153Z MAR 18.. Issued 2018-03-02 02:18Z. 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.

Current notices and reporting history in the Gulf of Mexico →

issued: 2018-03-02 02:18Z
status: Archived notice
authority: MEXICO IV 25/18 020153Z MAR 18.
NAVAREA: NAVAREA IV
issued by: MEXICO IV
sea: Gulf of Mexico
position: 18.269, -94.325
vessels: M/V GECO EMERALD · 66 messages M/V GECO TOPAZ · 46 messages M/V WG COOK · 72 messages M/V WG TASMAN · 108 messages
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BAY OF CAMPECHE.
MEXICO.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 06 MAR
   BY M/V WG TASMAN, M/V WG COOK, M/V GECO TOPAZ
   AND M/V GECO EMERALD IN AREA BOUND BY
   18-21.96N 094-22.02W, 18-22.00N 094-17.04W,
   18-10.77N 094-16.98W, 18-09.91N 094-21.93W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 07 MAR 18.

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.
CANCEL THIS MSG: The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · survey operations

34 within 180 nm since 2004 · 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.

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

Tonala light 18-12-45N 094-08-00W unlitNav aids · 11.5 nm
Roca partida light 18-42-17N 095-11-18W unlitNav aids · 55.7 nm
Santiaguillo light 19-08.56N 095-48.48W unlitNav aids · 99.3 nm

Worldwide in the collected sources

50 survey operations listed in force · see all

Record snapshot 2026-09-25 00:29Z; 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.