Boat dive — see Entry & access.
The Cauldron Dive Site is a boat dive site in East Nusa Tenggara, Indonesia. Typically most favorable Feb–Dec · from 3 years of archive data. Divers commonly see Acanthurus olivaceus, Ostracion cubicus, and Balistoides conspicillum. Recent reports put the water around 28°C (82°F). Check the latest conditions and entry details before you go.
Tap a factor for its source and model point · Forecast 28°C · seasonal avg 29°C
Dive windows this week
Best: MonFavorable windowModerate window— no window
First light 5:36 · Sunrise 5:57 · Sunset 17:59
Source: Open-Meteo marine · model point 6.8 km from site · graded 13h ago
Forecast only — always assess conditions on site.
Dated firsthand observations from divers — not current conditions.
No diver reports for this site yet. — one dated observation helps every diver after you.
What conditions have historically been typical at this site, month by month — not a forecast.
February, March, April, May, June, July, August, September, October, November, and December havetypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.
Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.
Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.
Orange band SurgeonfishAcanthurus olivaceusOccasionally seen
Clown TriggerfishBalistoides conspicillumOccasionally seen
HermissendaHermissenda crassicornisOccasionally seen
Yellowspotted TriggerfishPseudobalistes fuscusOccasionally seen
Spinetail mobulaMobula japanicaOccasionally seen
Sixbar AngelfishPomacanthus sexstriatusOccasionally seenTriaenodon obesus recorded here May, Jul–Sep, Dec (5 records)
most recent 2018
Caranx ignobilis recorded here Jul, Sep, Dec (3 records)
most recent 2018
Mobula birostris recorded here Aug, Dec (3 records)
most recent 2018
Balistoides viridescens recorded here Jul, Dec (2 records)
most recent 2018
Carcharhinus melanopterus recorded here May, Dec (2 records)
most recent 2018
Mobula alfredi recorded here Jul, Sep (2 records)
most recent 2017
Ostracion cubicus recorded here Jul, Dec (2 records)
most recent 2018
Acanthurus dussumieri recorded here Dec (1 record)
most recent 2018
Counts are occurrence records near this site from public biodiversity datasets (GBIF), grouped by calendar month across all sampled years. Sightings vary — past records are context, not a prediction.
No dive shops mapped within 25 km. Know one? Add it to the map.
Data updated July 2026
A dive site in Indonesia. The site is reached by boat.
No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.
The Cauldron Dive Site is a boat dive — access is by boat rather than from shore. No facilities are recorded at the site, and cell service is recorded as good. Entry details and parking notes, where known, are listed in the access section of this page.
Divers at The Cauldron Dive Site in Indonesia commonly report sightings of Acanthurus olivaceus, Ostracion cubicus, Balistoides conspicillum, Plectorhinchus chrysotaenia, and Hermissenda crassicornis. Acanthurus olivaceus, Ostracion cubicus, Balistoides conspicillum, Plectorhinchus chrysotaenia, and Hermissenda crassicornis are reported only occasionally. Marine life varies by season and conditions—check the site page for recent diver observations and photos.
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