Anyer and Ujung Kulon sit on the western tip of Java, where the Sunda Strait meets the Indian Ocean. The nine sites in our database span walls, pinnacles, drift dives, a wreck, and artificial reefs, covering a wide range of formats for beginners and intermediate divers. Water stays warm throughout the year, peaking in the mid-months and easing slightly in the southern-hemisphere winter period. Calm conditions from April to October make that the preferred window, with boat access required for most sites. Marine life recorded here includes whitetip reef sharks, green sea turtles, Napoleon wrasse, whale sharks, and a variety of nudibranchs and eels.














Monthly water temperature across Anyer & Ujung Kulon's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water temperatures hold steady and warm across all months, with a slight peak around mid-year. The calmer seas from April to October are the more reliable diving window, when boat access to sites like Suralaya Wall and Batu Mandi is easiest to manage.
4 operators
Water around Anyer & Ujung Kulon stays near 30°C all year, based on satellite sea-temperature data for its dive sites.
With water around 29–30°C, a rash guard or 3mm shorty works in Anyer & Ujung Kulon year-round.
Fin maps 9 sites in Anyer & Ujung Kulon (9 scuba diving sites and 1 snorkelling spots, with some suited to both).