Sulawesi, Indonesia
    KK Minahasa Utara

    Batu Mandi

    Best months: Jan–May

    Protected Area

    KK Minahasa Utara

    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 Mandi offers some of Sulawesi's richest 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
    StandoutExceptional marine biodiversity

    Batu Mandi is a solid drift dive off Sulawesi, best tackled when the currents are running. We've seen a good mix of pelagics here, like white tip reef sharks cruising the deeper sections and schooling jacks further up. It’s a site for experienced divers comfortable with moving water, offering a quick, exciting ride along the reef wall.

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

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    Conditions

    Ocean conditions, forecast and tides for Batu Mandi

    Batu Mandi Ocean Conditions

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

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    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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