S 9200/26
Tug towing operation between DHN anchorage and Niteroi hydrographic base
Activeuntil 29 Nov 2026, 04:00 UTC (in 27 days)Received 28 Oct 2026, 18:40 UTC
Warning text
TUG TOWING
BETWEEN PONTO DE FUNDEIO NAS PROXIMIDADES DA DHN E A BASE DE HIDROGRAFIA DA MARINHA EM NITEROI
LENGTH OF TOW 120 METERS
SPEED 4 KNOTS
CANCEL LOCAL S 8939/26
CANCEL THIS WARNING 290400 UTC NOV 26.
Analysis
Activeuntil 29 Nov 2026, 04:00 UTC (in 27 days)A tug is towing a 120 metre tow at about 4 knots between the anchorage near DHN and the Marinha Hydrography Base in Niteroi. The warning cancels LOCAL S 8939/26. The operation is scheduled to continue until 29 Nov at 0400 UTC unless cancelled earlier.
Keep well clear and navigate with caution when transiting the area; expect a slow-moving tow and allow sufficient sea room.
- Type
- Towing operations · severity moderate
- Feed
- Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
- Location
- between anchorage near DHN and the Marinha Hydrography Base, Niteroi
- Validity
- Until 29 Nov 2026, 04:00 UTCCANCEL THIS WARNING 290400 UTC NOV 26.
- Hazards
- tug and tow, long tow (120 m), reduced manoeuvrability
- Cancels
- LOCAL S 8939/26
Vessels involved
- Unnamed · tug towing a 120 m tow
Ports mentioned
- NiteroiBRBR NTR22.883S 43.067W
Worked out automatically from the warning text on 28 Oct 2026, 18:50 UTC. It can be wrong: the official warning text is the authority.