Depths are less than charted at five positions in the western South Atlantic off Brazil, near 02°S 044°W.
South Atlantic Ocean · HYDROLANT 2490/23
What this record establishes
Cancelled notice · 2026-08-14 18:10Z
This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA V COASTAL 608/23 010402Z NOV 23.. Issued 2023-11-01 11:04Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-17 15:50Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- South Atlantic Ocean. The parsed report position is -2.086, -44.123. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROLANT 1821/222022-07-20 · Archived notice
- HYDROLANT 2490/23 · this notice2023-11-01 · Cancelled notice
- HYDROLANT 1213/252025-07-19 · Listed in force
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2023-11-01 11:04Z
- status
- Cancelled notice
- authority
- NAVAREA V COASTAL 608/23 010402Z NOV 23.
- NAVAREA
- NAVAREA V · named as the source of this relay
- issued by
- NAVAREA V COASTAL
- sea
- South Atlantic Ocean
- position
- -2.086, -44.123
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:41Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. DEPTHS LESS THAN CHARTED IN: A. 02-06.29S 044-08.07W. B. 02-02.76S 044-07.32W. C. 02-02.60S 044-05.29W. D. 02-06.74S 044-07.89W. E. 02-07.27S 044-08.45W.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Shoal / reported depth
- Water shallower than the chart shows — a newly found shoal, a reported depth, or less water than charted.
- 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.
Collected reports in this area · wrecks & obstructions
10 within 180 nm since 2010 · 0 in the last 12 months · 1 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.
- Depths less than charted in areas bound by: a. 02-10.17S 044-09.21W, 02-10.31S 044-09.39W, 02-10.35S…2025-07-19
- One person overboard from F/V, sank in 01-03.00S 046-01.00W at 270700Z nov2023-11-29
- Depths less than charted in: a. 01-47.62S 043-51.68W2022-07-20
- 17.4 meter depth reported in 01-45.06S 043-45.32W2021-01-26
- M/V stellar banner aground in 01-45.70S 043-41.75W2020-02-27
- M/V stellar banner aground in 01-45.42S 043-41.41W2020-02-26
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
Worldwide in the collected sources
38 wrecks & obstructions listed in force · see all
Record snapshot 2026-09-29 07:44Z; source collection times vary.
Wrecks
Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →
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.