I 9302/26
Received: 6 Nov 2026, 11:40Active until: 5 Nov 2028, 00:00Updated: 7 Nov 2026, 13:22
analysis
Activeuntil 28 Nov 2026, 05:00 UTC (in 21 days)Shallower depths found in two areas off the Amazon Basin (Chart 4030)
Two areas within the limits shown contain depths less than charted on Chart 4030. Least depths found: 4.8 metres at 03-22.26S 058-37.37W and 4.4 metres at 03-20.35S 058-34.91W. Mariners are advised to note these reduced depths on Chart 4030. Message to be cancelled at 05:00 UTC on 28 November.
Plot and avoid the areas shown on Chart 4030; navigate with caution and reduce draft where necessary. Update passage plans to account for least depths reported.
- Type
- Navigational hazard · severity moderate
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/hazards/
- Location
- Amazon Basin (areas given on Chart 4030)
- Validity
- Until 28 Nov 2026, 05:00 UTCCANCEL THIS WARNING 050000 UTC NOV 28.
- Hazards
- reduced depths, uncharted or charted-depth discrepancies
- Least depth
- 4.4 m (14 ft)
- Charts
- 4030
Coast stations for this area
- DSCDSC Station Manaus RadioMRCC BrazilBrazilMMSI 007100003HF79 NM from the area
Generated automatically from the warning text on 06 Nov 2026, 11:53 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
CHART 4030
DEPTHS LOWER THAN THOSE REPRESENTED ON CHART
NA AREA LIMITADA POR
03-22.74S 058-37.80W
03-22.04S 058-37.36W
03-22.02S 058-37.00W
03-22.65S 058-37.42W
MENOR PROFUNDIDADE ENCONTRADA 4,8 METROS EM 03-22.26S 058-37.37W
NA AREA LIMITADA POR
03-20.52S 058-35.03W
03-20.45S 058-35.14W
03-20.09S 058-34.76W
03-20.15S 058-34.66W
MENOR PROFUNDIDADE ENCONTRADA 4,4 METROS EM 03-20.35S 058-34.91W
CANCEL THIS WARNING 050000 UTC NOV 28.