Surveys

Survey operations are underway until 31 December near Guyana by vessel AHT DN87 and tug TELESTO; wide berth requested.

North Atlantic · Guyana · NAVAREA IV 705/26

issued
2026-07-20 20:16Z
status
in force
self-cancels
2027-01-01 00:01Z
cancels
NAVAREA IV 99/26
position
6.935, -58.069
source
nga_inforce · first seen 2026-08-17 13:41Z

Original warning text

NORTH ATLANTIC.
GUYANA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 31 DEC
   BY VESSEL AHT DN87 AND TUG TELESTO
   IN AREA BOUND BY
   07-03.06N 057-57.60W, 07-02.68N 057-57.22W,
   06-49.95N 058-09.90W, 06-49.04N 058-10.21W,
   06-49.15N 058-10.75W, 06-50.13N 058-10.41W,
   06-50.34N 058-10.28W.
   WIDE BERTH REQUESTED.
2. CANCEL NAVAREA IV 99/26.
3. CANCEL THIS MSG 010001Z JAN 27.

Conditions at the position · now

loading…

Open-Meteo Marine / Open-Meteo · GEBCO 2020 · model data at the centroid, not an observation

This area · survey operations

265 within 180 nm since 2014 · 13 in the last 12 months · 14 in force now

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26

Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

73 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.