NAVAREA XI 0356/26

GULF OF THAILAND AND SOUTH CHINA SEA, — 2026/08/06 00 UTC

Region:NAVAREA XIStatus:activeCategories:subseaGeometry tier:A · EXPLICIT

Original bulletin text

NO.26-0356       Date:2026/08/06 00 UTC
GULF OF THAILAND AND SOUTH CHINA SEA,
SOUTHERN PART.
SEISMIC SURVEY WORKS BY M/V PXGEO 2
TOWING EIGHT CABLES, EACH 5 MILE LONG.
UNTIL 31 DEC 2026. AREA BOUNDED BY
06-33N 103-25E 06-50N 102-58E
06-55N 103-14E 07-02N 103-04E
06-50N 102-21E 06-28N 102-09E
05-54N 103-01E.
CANCEL THIS MSG 01 JAN 2027.

Verbatim as ingested by Helm.Warning from the Japan Coast Guard (JCG), the NAVAREA XI area coordinator. Warnings whose coordinates could not be plotted on the map are still published here in full.

About this warning

NAVAREA XI 0356/26 is a navigational warning for NAVAREA XI (East Asia / Japan), broadcast by the Japan Coast Guard (JCG) under the World-Wide Navigational Warning Service (WWNWS). Helm.Warning aggregates these broadcasts daily and plots warnings with resolved geometry on the live map.

Helm.Warning is a convenience copy of these broadcasts, not an official source of Maritime Safety Information. Always verify against official channels (NAVTEX, Inmarsat SafetyNET) as required by SOLAS — see the about and disclaimer page for the full safety notice.

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Situational awareness only. Not a substitute for GMDSS, NAVTEX or SafetyNET broadcasts. Official broadcasts and the Master’s judgment always take priority.