Depths less than nine meters reported in area bound by 00-55.44N 049-46.96W, 00-56.67N 049-46.06W, 00-56.19N…
North Atlantic Ocean · HYDROLANT 2984/20
What this record establishes
Archived notice · 2020-10-15 17:25Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA V COASTAL N 730/20 012324Z OCT 20.. Issued 2020-10-01 23:25Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- North 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.
Related notices and cancellation links
- Cancel HYDROLANT 2984/20 and this msglater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2020-10-01 23:25Z
- status
- Archived notice
- authority
- NAVAREA V COASTAL N 730/20 012324Z OCT 20.
- NAVAREA
- NAVAREA V · named as the source of this relay
- issued by
- NAVAREA V COASTAL N
- sea
- North Atlantic Ocean
- position
- 0.930, -49.770
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC. BRAZIL-NORTH COAST. DNC 01. DEPTHS LESS THAN NINE METERS REPORTED IN AREA BOUND BY 00-55.44N 049-46.96W, 00-56.67N 049-46.06W, 00-56.19N 049-45.45W, 00-54.96N 049-46.26W.
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.
- 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.
Collected reports in this area · other warnings
7 within 180 nm since 2000 · 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.
- Ponta da tijoca light 00-33.44S 047-53.85W relocated to 00-34.71S 047-55.28W2026-10-01
- Rio calcoene light 02-30.4N 050-48.4W inoperable2020-01-18
- Two persons overboard from vessel deus que me deu in 01-04.5S 048-31.7W on 21 jun2019-06-22
- Four men overboard from vessel in 00-35S 047-21W on 04 feb2017-02-05
- M/V aurora emerald suffered explosion and fire in 03-38N 049-02W at 101117Z dec2001-12-11
- Simao grande light relocated to 00-15.39S 048-24.10W2000-05-23
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
23 other warnings listed in force · see all
Record snapshot 2026-10-02 02:55Z; source collection times vary.
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.