I 9041/26

Dredging in Amazon Basin (charts 4730 and 4731) 04 Oct to 07 Nov 2026

No longer in forceReceived 09 Oct 2026, 14:05 UTCArchived 07 Nov 2026, 13:22 UTC

Warning text

Positions open on the map

CHART 4730 AND 4731 04 OCT 26 TO 07 NOV 26 DREDGING ENTRE 05-48.72S 061-25.91W 05-50.12S 061-18.45W CANCEL THIS WARNING 070100 UTC NOV 26.

Location map

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Analysis

No longer in force

Dredging operations are taking place in the Amazon Basin on charts 4730 and 4731 between the two positions given. The activity is reported from 04 Oct 2026 and continues until cancellation on 07 Nov 2026 at 0100 UTC. Mariners should be aware of dredging vessels and equipment in the area. No contact details or safety distances are provided in the notice.

Proceed with caution, keep well clear of dredging operations and maintain a sharp lookout.

Type: Dredging / works · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: Amazon Basin
Validity: From 04 Oct 2026, 00:00 UTC
Until 07 Nov 2026, 01:00 UTC04 OCT 26 TO 07 NOV 26 ... CANCEL THIS WARNING 070100 UTC NOV 26
Activity periods: 04 Oct 2026, 00:00 UTC - 07 Nov 2026, 01:00 UTC (Dredging reported 04 Oct 26 to 07 Nov 26; cancellation at 070100 UTC NOV 26)
Hazards: dredging, work vessels and equipment
Charts: CHART 4730, CHART 4731

Coast stations for this area

DSCDSC Station Manaus RadioMRCC BrazilBrazilMMSI 007100003HF186 NM from the area

Worked out automatically from the warning text on 09 Oct 2026, 14:07 UTC. It can be wrong: the official warning text is the authority.

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