307/26
Received: 3 Nov 2026, 00:00Updated: 5 Nov 2026, 19:25
analysis
Activeuntil 06 Nov 2026, 23:59 UTC (in 24 h)Underwater diving works at Portinho da Arrábida 4-6 Nov
Underwater works and diving operations will be carried out in the anchorages at Portinho da Arrábida on 04 to 06 November. The works are conducted by company SUBDIVER using the vessel PT-109177-MAHALO I-AL. Mariners must respect safety conditions for the works, including the delimitation of the work area. Position of operations given as 38°28,570'N 8°58,801'W.
Respect safety conditions and keep clear of the delimited work area; navigate with caution near the position given.
- Type
- Offshore operations · severity moderate
- Feed
- Offshore works, rigs and towingAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/offshore/
- Location
- Portinho da Arrábida anchorages
- Validity
- From 04 Nov 2026, 00:00 UTC
Until 06 Nov 2026, 23:59 UTCENTRE OS DIAS 04 A 06 NOVEMBRO - Activity periods
- 04 Nov 2026, 00:00 UTC - 06 Nov 2026, 23:59 UTC (works scheduled 04-06 November (dates only))
- Hazards
- diving operations, underwater works, work vessel on site, delimited work area
Vessels involved
- PT-109177-MAHALO I-AL · work vessel / support for diving operations
Coast stations for this area
- RCCMRSC HuelvaSpain121 NM from the area
- RCCMRSC CadizSpain173 NM from the area
- RCCMRSC VigoSpain226 NM from the area
- DSCDSC Station HuelvaMRSC HuelvaSpainMMSI 002241023VHF 35range 35 NM117 NM from the area
- DSCDSC Station ChipionaMRCC TarifaSpainMMSI 002241023MF 150range 150 NM164 NM from the area
- DSCDSC Station CadizMRSC CadizSpainMMSI 002241023VHF 35range 35 NM181 NM from the area
- DSCDSC Station La GuardiaMRCC FinisterreSpainMMSI 002241022VHF 35range 35 NM205 NM from the area
- DSCDSC Station TarifaMRCC TarifaSpainMMSI 002241023VHF 35, MF 150range 150 NM219 NM from the area
Generated automatically from the warning text on 03 Nov 2026, 10:49 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
AVISA-SE TODA A NAVAGACAO QUE ENTRE OS DIAS 04 A 06 NOVEMBRO, VAO REALIZAR-SE TRABALHOS SUBAQUATICOS, PELA EMPRESA SUBDIVER, NOS ANCORADOUROS NO PORTINHO DA ARRABIDA - 38°28,570'N 8°58,801'W - COM RECURSO A EMBARCACAO PT-109177-MAHALO I-AL. NO PERÍODO EM QUE DECORRE OS TRABALHOS DE MERGULHO DEVEM SER RESPEITADAS AS CONDICOES DE SEGURANÇA INERENTES AOS TRABALHOS, NOMEADAMENTE A DELIMITAÇÃO DO LOCAL
POSITION: 38-28.57N 008-58.80W