Surveys
A yellow scientific buoy flashing every 20 seconds is established at 27-24.38S 047-15.92W off Brazil until 25 August.
South Atlantic · Brazil · HYDROLANT 397/26
- issued
- 2026-02-27 00:57Z
- status
- in force
- self-cancels
- 2026-08-26 00:01Z
- position
- -27.406, -47.265
- source
- nga_inforce · first seen 2026-08-17 13:41Z
Original warning text
SOUTH ATLANTIC. BRAZIL. DNC 01. 1. SCIENTIFIC BOUY, YELLOW, FL Y 20 SEC ESTABLISHED IN 27-24.38S 047-15.92W. UNTIL 25 AUG. 2. CANCEL THIS MSG 260001Z AUG 26.
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
142 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now
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26
- Survey operations 10 thru 17 aug by M/V ramform titan towing 12 9000 meter long cables in area bound by…2026-08-09
- Survey operations in progress until 30 apr by M/V ramform victory towing ten 8800 meter long cables in area…2024-04-03
- Survey operations in progress until 31 mar by M/V ramform victory towing ten 8800 meter long cables in area…2024-03-07
- Survey operations in progress until 01 mar by M/V ramform victory towing ten 8800 meter long cables in area…2024-02-16
- Survey operations in progress until 15 feb by M/V ramform victory towing ten 8800 meter cables in area bound…2024-02-06
- Survey operations in progress until 31 jan by vessel M/V ramform victory towing ten 8800 meter long cables…2024-01-15
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.