I 9251/26

Depths reported lower than charted in area off the Amazon Basin between 02-25.70S and 02-20.10S

Activeuntil 30 Oct 2028, 20:00 UTC (in 723 days)Received 01 Nov 2026, 03:42 UTC

Warning text

Positions open on the map

CHART 4020A DEPTHS LOWER THAN THOSE REPRESENTED ON CHART RECOMENDA-SE EXTREMA CAUTELA, OS NAVEGANTES SOMENTE DEVEM DEMANDAR A AREA COM PERFEITO CONHECIMENTO LOCAL IN AREA BETWEEN 02-25.70S, 02-20.10S, 054-43.64W AND 054-39.58W CANCEL LOCAL I 9554/24 CANCEL THIS WARNING 302000 UTC OCT 28.

Location map

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Analysis

Activeuntil 30 Oct 2028, 20:00 UTC (in 723 days)

Reported depths in the named quadrilateral are lower than shown on chart 4020A. Mariners are advised extreme caution and only to enter the area with perfect local knowledge. The warning cancels LOCAL I 9554/24. The message includes a self-cancel instruction.

Proceed with extreme caution; only enter the area with perfect local knowledge.

Type: Wreck / obstruction · severity moderate
Feed: Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
Location: Area between 02-25.70S, 02-20.10S, 054-43.64W and 054-39.58W (Amazon Basin)
Validity: Until 30 Oct 2028, 20:00 UTCCANCEL THIS WARNING 302000 UTC OCT 28.
Hazards: depths lower than charted, uncharted shoals
Cancels: LOCAL I 9554/24
Charts: CHART 4020A

Coast stations for this area

DSCDSC Station Manaus RadioMRCC BrazilBrazilMMSI 007100003HF314 NM from the area

Worked out automatically from the warning text on 01 Nov 2026, 03:52 UTC. It can be wrong: the official warning text is the authority.

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