Wrecks

Depth reported up to 9.46 meters less than charted until 25 sep 28 in area bound by 10-51.51S 036-52.91W,…

South Atlantic Ocean · HYDROLANT 1916/26

What this record establishes

Cancelled notice · 2026-09-28 16:45Z

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 in-force warnings (DailyMem*.txt). Issued 2026-09-27 02:40Z. First collected 2026-09-28 19:32Z; last seen in collection 2026-09-28 21:02Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: South Atlantic Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the South Atlantic Ocean →

issued: 2026-09-27 02:40Z
status: Cancelled notice
self-cancels: 2028-09-26 00:01Z
sea: South Atlantic Ocean
position: -10.859, -36.883
source: NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-28 19:32Z

Original warning text

SOUTH ATLANTIC.
BRAZIL.
1. DEPTH REPORTED UP TO 9.46 METERS LESS THAN
   CHARTED UNTIL 25 SEP 28 IN AREA BOUND BY
   10-51.51S 036-52.91W, 10-51.52S 036-52.88W,
   10-51.55S 036-52.88W, 10-51.56S 036-52.89W,
   10-51.57S 036-53.00W, 10-51.55S 036-53.02W,
   10-51.52S 036-53.02W.
2. CANCEL THIS MSG 260001Z SEP 28.

Reading this warning

Shoal / reported depth: Water shallower than the chart shows — a newly found shoal, a reported depth, or less water than charted.
Area bound by: Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
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.
CANCEL THIS MSG: The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG): A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · wrecks & obstructions

5 within 180 nm since 2022 · 1 in the last 12 months · 0 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.

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

Maceio light 09-41.03S 035-43.38W unlit until 31 octNav aids · 98.3 nm

Worldwide in the collected sources

38 wrecks & obstructions listed in force · see all

Record snapshot 2026-09-28 21:04Z; 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.