I 9254/26
Shallower depths found in two areas off the Amazon Basin (Chart 4381)
Expiredended 30 Oct 2026, 20:00 UTC (8 days ago)Received 01 Nov 2026, 03:42 UTC
Warning text
Positions open on the mapCHART 4381 A
DEPTHS LOWER THAN THOSE REPRESENTED ON CHART
NA AREA LIMITADA POR
02-25.42S 054-52.33W
02-25.32S 054-52.40W
02-24.80S 054-51.57W
02-24.76S 054-50.38W
02-24.89S 054-50.39W
02-24.97S 054-50.92W
02-25.19S 054-51.87W
MENOR PROFUNDIDADE ENCONTRADA -2.1 METROS EM 02-25.37S 054-52.29W
NA AREA LIMITADA POR
02-26.89S 055-03.03W
02-26.97S 055-02.86W
02-27.26S 055-02.96W
02-29.01S 055-04.13W
02-29.00S 055-04.33W
02-28.10S 055-04.00W
02-27.66S 055-03.73W
02-27.42S 055-03.44W
MENOR PROFUNDIDADE ENCONTRADA 0.7 METROS EM 02-27.16S 055-03.12W
CANCEL LOCAL I 9551/24
CANCEL THIS WARNING 302000 UTC OCT 28.
Location map
Open on the full mapAnalysis
Expiredended 30 Oct 2026, 20:00 UTC (8 days ago)Hydrographic survey reports depths lower than charted in two polygon areas off the Amazon Basin (Chart 4381). One area has least depth reported -2.1 metres at 02-25.37S 054-52.29W; the other has least depth 0.7 metres at 02-27.16S 055-03.12W. The message cancels LOCAL I 9551/24. The warning self-cancels 30 Oct 2000 UTC (now expired).
Navigate with caution, avoid the marked areas if draught is critical and consult updated charts and local authorities. Update charts with reported soundings.
- Type
- Navigational hazard · severity high
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
- Location
- Amazon Basin, offshore (Chart 4381)
- Validity
- Until 30 Oct 2026, 20:00 UTCCANCEL THIS WARNING 302000 UTC OCT 28.
- Hazards
- depths shallower than charted, reduced underkeel clearance
- Cancels
- LOCAL I 9551/24
- Charts
- CHART 4381 A
Coast stations for this area
- DSCDSC Station Manaus RadioMRCC BrazilBrazilMMSI 007100003HF305 NM from the area
Worked out automatically from the warning text on 01 Nov 2026, 03:57 UTC. It can be wrong: the official warning text is the authority.