Hawaii, United States
    Manele-Hulopoe Marine Life Conservation District

    Monolith

    Best months: Jul–Sep

    Protected Area

    Manele-Hulopoe Marine Life Conservation District

    Why dive here

    Monolith is a dive where divers can encounter blue sharks, sea turtles and sperm whales. Water ranges 25-28°C, warmest August, September, October.

    Best timeJul–Sep
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlue Sharks, Sea Turtles and Sperm Whales
    Water25-28°C · warmest August, September, October

    The Monolith, off the coast of Hawaii, offers a unique geological dive. Here, you'll navigate around a towering volcanic pinnacle that juts up from the seafloor. It's a great spot for advanced open water divers looking to explore dramatic rock formations and the schooling reef fish that shelter around them. Visibility can vary, but on a good day, the scale of the Monolith is impressive.

    Today06:2218:0911h 47m daylightGolden hour 17:39

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    Conditions

    Ocean conditions, forecast and tides for Monolith

    Monolith Ocean Conditions

    Monthly averages for Monolith, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (20.73, -156.95) (9km away)

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    October Averages

    Sea Temperature

    27°C

    81°F · Range: 26.7–28.4°C

    Current Speed

    11.31 cm/s

    Direction: NW (315°)

    Chlorophyll-a

    0.035 mg/m³

    Very clear (oligotrophic)

    Salinity

    35.58 PSU

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

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