5-15m
    Hawaii, United States
    Honolua-Mokuleia Bay Marine Life Conservation District

    Black Rock - Hawaii

    Best months: Jan–Dec

    Protected Area

    Honolua-Mokuleia Bay Marine Life Conservation District

    Why dive here

    Black Rock - Hawaii is a reef dive where divers can encounter blue sharks, sea turtles and sperm whales. Water ranges 26-29°C, warmest August, September, October.

    Marine lifeBlue Sharks, Sea Turtles and Sperm Whales
    Water26-29°C · warmest August, September, October
    CharacterReef dive · max 5-15m

    Don Juan is one of our favourites in Coiba, especially for those looking to build confidence without sacrificing the good stuff. It’s a shallow spot, topping out around 14 metres, with wide sandy channels flanking the reef. This layout is brilliant; you can drift along the sand, keeping an eye on your buoyancy, while still having a full, unobstructed view of the coral action. We’ve found the visibility here to be pretty reliable, often around 10-12 metres, which is plenty to watch the schools of bigeye jacks swirl through the water, a shimmering, silver curtain. Look closely among the corals for cheeky chameleon clinids and the subtle beauty of a Margarita blenny peeking out. You’ll often spot vibrant Pacific red snappers and Cortez chubs darting in and out of the reef. Don Juan is a gentle introduction to Coiba's buzzing reefs, perfect for a relaxed dive where you can truly soak it all in.

    Typical Black Rock - Hawaii Dive Profile

    5mSafety Stop0m5m max~60 min estimated bottom time

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

    Today06:0918:5212h 43m daylightGolden hour 18:22

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    Conditions

    Ocean conditions, forecast and tides for Black Rock - Hawaii

    Black Rock - Hawaii Ocean Conditions

    Monthly averages for Black Rock - Hawaii, sourced from Copernicus Marine satellite data

    August Averages

    Sea Temperature

    28.48°C

    83°F

    Current Speed

    7.28 cm/s

    Direction: N (344.1°)

    Chlorophyll-a

    0.037 mg/m³

    Very clear (oligotrophic)

    Salinity

    34.85 PSU

    Data sources: Copernicus Marine Service (EU)

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