Halmahera, Indonesia
    KKP3K Pulau Babua, Jailolo

    Hol Sulamadaha

    Best months: Jun–Oct

    Protected Area

    KKP3K Pulau Babua, Jailolo

    Why dive here

    With 131+ marine species recorded in the area - including sea turtles, sperm whales and pufferfish - Hol Sulamadaha offers some of Halmahera's richest reef diving. Water ranges 29-30°C, warmest April, May, December.

    Best timeJun–Oct
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeSea Turtles, Sperm Whales and Pufferfish · 131+ species recorded
    Water29-30°C · warmest April, May, December
    CharacterReef dive

    Hol Sulamadaha, just a quick 30-minute hop from Ternate’s city centre, really delivers on those dense coral gardens. We love the way the light filters through the shallower staghorn and birdsnest coral formations, especially first thing in the morning. It’s a site that feels instantly welcoming, with visibility often hitting 18 metres, making it perfect for both divers and snorkelers. Dropping to a max of 21 metres, you’re enveloped by schools of blue-lined surgeonfish and longfin bannerfish that drift through the reef like confetti. We've seen a surprising number of green turtles here, sometimes three on a single dive, casually munching on the thalassia seagrass beds near the sand patches. Keep an eye out for the smaller stuff too; the nudibranchs and flatworms are particularly colourful against the smooth cauliflower coral. It’s a gentle drift, allowing plenty of time to really soak it all in. Hol Sulamadaha suits anyone looking for a relaxed, vibrant reef dive without needing to venture far from shore.

    Today05:1517:2112h 6m daylightGolden hour 16:54

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    Conditions

    Ocean conditions, forecast and tides for Hol Sulamadaha

    Hol Sulamadaha Ocean Conditions

    Monthly averages for Hol Sulamadaha, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-0.4, 127.72) (46km away)

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    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.8–30.6°C

    Current Speed

    6.71 cm/s

    Direction: NE (26.6°)

    Chlorophyll-a

    0.14 mg/m³

    Clear water

    Salinity

    33.73 PSU

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

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