DivePlnr
    Split Rock dive site
    32m
    Expert
    Hawaii, United States
    Hanauma Bay Marine Life Conservation District

    Split Rock

    Best months: Jul–Sep

    Protected Area

    Hanauma Bay Marine Life Conservation District

    Why dive here

    Split Rock 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
    Charactermax 32m

    Split Rock is an expert-level dive for a reason. The site hits 32m quickly, dropping along rocky formations often swept by current. We’ve seen pelagics like jacks and the occasional hammerhead pass through here, alongside resident reef fish. It’s a challenging dive best suited for experienced divers comfortable in deeper water and surge.

    Typical Split Rock Dive Profile

    15m30mSafety Stop0m32m max~20 min estimated bottom time

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

    Safety Notes

    Deep dive (32m) - monitor air consumption closely. Advanced certification recommended.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:2517:1211h 46m daylightGolden hour 16:42

    Nearest Dive Centres to Split Rock

    Dive shops near Split Rock

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    Waikiki Dive Center

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    Green Dolphin Dive Shop

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    Ocean Therapy Scuba

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    Conditions

    Ocean conditions, forecast and tides for Split Rock

    Split Rock Ocean Conditions

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

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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