Salt Island & Cooper Island, British Virgin Islands
    Cooper Island

    Chromis Reef (middle)

    Best months: Dec–Apr

    Protected Area

    Cooper Island

    Why dive here

    With 491+ marine species recorded in the area - including barracuda, blacktip reef sharks, dolphins, dwarf minke whales and eagle rays - Chromis Reef (middle) offers some of Salt Island & Cooper Island's richest reef diving. Water ranges 27-30°C, warmest August, September, October.

    Best timeDec–Apr
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blacktip Reef Sharks, Dolphins, Dwarf Minke Whales and Eagle Rays · 491+ species recorded
    Water27-30°C · warmest August, September, October
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Chromis Reef’s middle section is a quiet spot, often overshadowed by the larger sites nearby, but we always make time for it. We’ve found the best approach is to drop in close to the rock formations. You'll find overhangs and crevices there, perfect for spotting lobsters and big schools of glassy sweepers tucked away from the sun. The reef itself is a gentle slope, topping out at around 14 metres, which is why it’s fantastic for newer divers or for a relaxed second dive. The blue chromis here are everywhere, darting in and out of the corals – sometimes so many of them that they create a living current. We’ve also had great luck finding sharpnose puffers picking their way through the sponges, and on one memorable dive, a huge green moray poked its head out from under a plate coral, completely unfazed by us. Keep an eye out for mottled jawfish bobbing in their sand burrows; they’re pretty shy, but if you approach slowly, you might get a good look. It's not a site for big pelagics, but for a calm, colourful exploration, it’s a solid pick.

    Today06:1118:0011h 49m daylightGolden hour 17:31

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    Conditions

    Ocean conditions, forecast and tides for Chromis Reef (middle)

    Chromis Reef (middle) Ocean Conditions

    Monthly averages for Chromis Reef (middle), sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (18.37, -64.56) (2km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 28.9–31°C

    Air Temperature

    28°C

    82°F

    Wind Speed

    7.7 m/s

    15.0 knots

    Atmospheric Pressure

    1013.1 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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