I 9248/26

Chart 4411: remove 20m isobath and insert shoal soundings near 01-53S 055-38W

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 4411 REMOVE ISOBATIMETRICA DE 20 METROS EM 01-52.67S 055-38.29W 01-52.71S 055-38.21W 01-52.72S 055-38.19W 01-52.70S 055-38.16W 01-52.69S 055-38.15W 01-52.65S 055-38.13W 01-52.63S 055-38.14W 01-52.62S 055-38.14W 01-52.62S 055-38.15W 01-52.61S 055-38.16W 01-52.60S 055-38.22W 01-52.58S 055-38.26W 01-52.54S 055-38.32W 01-52.55S 055-38.34W 01-52.61S 055-38.39W 01-52.63S 055-38.38W 01-52.64S 055-38.35W 01-52.60S 055-38.32W 01-52.60S 055-38.30W 01-52.63S 055-38.28W INSERIR PROFUNDIDADES MENORES EM 01-53.35S 055-37.11W - 8,7 METROS 01-53.16S 055-37.53W - 8,9 METROS 01-52.62S 055-38.33W - 16,1 METROS 01-52.80S 055-38.38W - 9,7 METROS CANCEL LOCAL I 9491/24 CANCEL THIS WARNING 302000 UTC OCT 28.

Location map

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Analysis

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

Chart 4411: the 20 metre isobath polygon is removed and four shallower depths are inserted at specified positions near 01-53S 055-38W. The message cancels LOCAL I 9491/24. This warning self-cancels at 302000 UTC OCT 28.

Use updated chart information; navigate with caution and consult corrected chart 4411 for new depths.

Type: Aids to navigation · severity low
Feed: Aids to navigationAll warnings of this kind on the map, or as an API feed.
Location: Chart 4411 area (off Amazon Basin, positions near 01-53S 055-38W)
Validity: Until 30 Oct 2026, 20:00 UTCCANCEL THIS WARNING 302000 UTC OCT 28.
Hazards: reduced depths, shoal soundings
Cancels: LOCAL I 9491/24
Charts: CHART 4411

Coast stations for this area

DSCDSC Station Manaus RadioMRCC BrazilBrazilMMSI 007100003HF267 NM from the area

Worked out automatically from the warning text on 01 Nov 2026, 03:58 UTC. It can be wrong: the official warning text is the authority.

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