21m
    Intermediate
    Hawaii, United States
    Hanauma Bay State

    Skimin’s Reef

    Best months: Jul–Sep

    Protected Area

    Hanauma Bay State

    Why dive here

    Skimin’s Reef is a reef 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
    CharacterReef dive · max 21m

    Skimin’s Reef offers a straightforward intermediate dive down to 21 meters. We usually find a good mix of Hawaiian reef fish here, particularly butterflyfish and parrotfish cruising over the reef structure. It’s a solid choice if you're looking for a relaxed second dive or a site with consistent visibility, often around 20 meters. Ideal for divers comfortable with moderate depths.

    Typical Skimin’s Reef Dive Profile

    10m20mSafety Stop0m21m max~30 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

    Depth of 21m - Advanced Open Water certification recommended.

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

    Today05:2517:1111h 46m daylightGolden hour 16:42

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    Conditions

    Ocean conditions, forecast and tides for Skimin’s Reef

    Skimin’s Reef Ocean Conditions

    Monthly averages for Skimin’s Reef, 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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