Raja Ampat, Indonesia
    TAMAN WISATA PERAIRAN KEPULAUAN RAJA AMPAT

    Ot Di Ma

    Best months: Dec–Apr

    Protected Area

    TAMAN WISATA PERAIRAN KEPULAUAN RAJA AMPAT

    Why dive here

    With 236+ marine species recorded in the area - including blacktip reef sharks, manta rays, mobula rays (devil rays), pygmy seahorses and sea turtles - Ot Di Ma offers some of Raja Ampat's richest diving. Water ranges 29-30°C, warmest May, November, December.

    Best timeDec–Apr
    WetsuitNo wetsuit needed, or a rash guard
    Marine lifeBlacktip Reef Sharks, Manta Rays, Mobula Rays (Devil Rays), Pygmy Seahorses and Sea Turtles · 236+ species recorded
    Water29-30°C · warmest May, November, December
    StandoutExceptional marine biodiversity

    Ot Di Ma, in Raja Ampat, offers a quieter dive. We’ve found it’s less about big pelagics and more about the smaller, intricate stuff. Keep an eye out for the pygmy seahorses here, especially Denise’s, tucked away in the gorgonians. There are also plenty of cardinalfish, like the Gelatinous and Flame varieties, often schooling in crevices. It's a relaxed dive, good for photographers or anyone who enjoys a slower pace to really look around.

    Safety Notes

    Strong currents typical this month (avg 35 cm/s). Good buoyancy control essential.

    Today06:0118:0912h 7m daylightGolden hour 17:41

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    Conditions

    Ocean conditions, forecast and tides for Ot Di Ma

    Ot Di Ma Ocean Conditions

    Monthly averages for Ot Di Ma, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-0.5, 130.6) (0km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.2–30.9°C

    Current Speed

    34.71 cm/s

    Direction: NW (311.5°)

    Chlorophyll-a

    0.138 mg/m³

    Clear water

    Salinity

    34.33 PSU

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

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