Surveys

Underwater operations in progress until 22 aug by M/V joanne morrison in 29-11.32N 094-21.05W

Gulf of Mexico · Texas · NAVAREA IV 731/21

issued
2021-08-20 23:28Z
status
cancelled 2021-08-23 00:01Z (archive)
authority
MORRISON ENERGY 202203Z AUG 21.
position
29.189, -94.351
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF MEXICO.
TEXAS.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 22 AUG
   BY M/V JOANNE MORRISON IN 29-11.32N 094-21.05W.
   ONE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 23 AUG 21.

This area · survey operations

28 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now

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23

Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

75 survey operations in force · see all

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.