I 9253/26

Shallower-than-charted depths in two areas off the Amazon Basin

Expiredended 30 Oct 2026, 20:00 UTC (8 days ago)Received 01 Nov 2026, 03:42 UTC

Warning text

Positions open on the map

CHART 4021 AND 4020 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 02-17.24S, 02-11.30S, 054-34.31W AND 054-32.12W IN AREA BETWEEN 02-15.41S, 02-07.01S 055-00.09W AND 054-46.37W CANCEL LOCAL I 9552/24 CANCEL THIS WARNING 302000 UTC OCT 28.

Location map

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Analysis

Expiredended 30 Oct 2026, 20:00 UTC (8 days ago)

Reported depths are lower than shown on Admiralty Charts 4021 and 4020 in two defined areas off the Amazon Basin. Mariners are advised to exercise extreme caution and only enter the area with perfect local knowledge. The message cancels LOCAL I 9552/24. The warning was scheduled to cancel at 30 Oct 20:00 UTC (see validity_text).

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

Type: Navigational hazard · severity moderate
Feed: Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
Location: Amazon Basin (areas defined by coordinates)
Validity: Until 30 Oct 2026, 20:00 UTCCANCEL THIS WARNING 302000 UTC OCT 28.
Hazards: depths lower than charted, uncharted shoals or reduced depths
Cancels: LOCAL I 9552/24
Charts: CHART 4021, CHART 4020

Coast stations for this area

DSCDSC Station Manaus RadioMRCC BrazilBrazilMMSI 007100003HF324 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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