10-25m
    Sulawesi, Indonesia
    KK Kota Bitung

    Batu sandar

    Best months: Jan–May

    Protected Area

    KK Kota Bitung

    Why dive here

    With 238+ marine species recorded in the area - including blacktip reef sharks, giant moray eels, pygmy seahorses, seahorses and sperm whales - Batu sandar offers some of Sulawesi's richest reef diving. Water ranges 29-31°C, warmest June, October, November.

    Best timeJan–May
    WetsuitNo wetsuit needed, or a rash guard
    Marine lifeBlacktip Reef Sharks, Giant Moray Eels, Pygmy Seahorses, Seahorses and Sperm Whales · 238+ species recorded
    Water29-31°C · warmest June, October, November
    CharacterReef dive · max 10-25m
    StandoutExceptional marine biodiversity

    Batu Sandar, off Sulawesi, is a solid drift dive where we often find ourselves cruising over sloping reefs. You'll see plenty of schooling reef fish here, along with the occasional reef shark patrolling the deeper sections. It's a good choice for divers who enjoy a relaxed drift and aren't chasing big pelagic action.

    Typical Batu sandar Dive Profile

    5m10mSafety Stop0m10m max~60 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Today05:2417:2912h 5m daylightGolden hour 17:02

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    Conditions

    Ocean conditions, forecast and tides for Batu sandar

    Batu sandar Ocean Conditions

    Monthly averages for Batu sandar, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (1.5, 124.75) (0km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    87°F · Range: 29.6–31.2°C

    Current Speed

    1 cm/s

    Direction: W (270°)

    Chlorophyll-a

    0.099 mg/m³

    Very clear (oligotrophic)

    Salinity

    33.17 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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