20-40m
    Advanced
    Rincon & West Coast, Puerto Rico
    Tres Palmas de Rincón Marine Reserve

    Black Wall

    Best months: Jan–Apr

    Protected Area

    Tres Palmas de Rincón Marine Reserve

    Why dive here

    With 503+ marine species recorded in the area - including barracuda, blue sharks, dolphins, eagle rays and humpback whales - Black Wall offers some of Rincon & West Coast's richest wall diving. Water ranges 27-30°C, warmest August, September, October.

    Best timeJan–Apr
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blue Sharks, Dolphins, Eagle Rays and Humpback Whales · 503+ species recorded
    Water27-30°C · warmest August, September, October
    CharacterWall dive · max 20-40m
    StandoutExceptional marine biodiversity

    We’re big fans of wall dives, and Puerto Rico delivers with Black Wall. This site really kicks off at around 20 metres, dropping sharply into the blue, eventually reaching 40 metres and beyond. It’s covered in those deep-water black corals, which create a sort of sombre, ancient feel to the place. We’ve often found substantial groupers lurking in the overhangs, along with plenty of red hogfish and creole wrasse schooling in the current. Visibility here is usually excellent, giving you that sensation of flying along a sheer cliff face. You’ll want to be comfortable with your buoyancy and depth, as it’s easy to get absorbed in the wall and drift a little deeper than planned. Best to hit this one on a calm day, as the ride out can get choppy if there’s any significant swell. It’s a definite standout for advanced divers looking for a proper deep wall experience, where the thrill is in the scale and the elegant, dark corals.

    Typical Black Wall Dive Profile

    10m20mSafety Stop0m20m 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 20m - Advanced Open Water certification recommended.

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

    Today06:2218:1111h 49m daylightGolden hour 17:42

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    Conditions

    Ocean conditions, forecast and tides for Black Wall

    Black Wall Ocean Conditions

    Monthly averages for Black Wall, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (18.34, -67.27) (8km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    87°F · Range: 29.3–31.2°C

    Air Temperature

    28°C

    83°F

    Wind Speed

    6.84 m/s

    13.3 knots

    Atmospheric Pressure

    1012.6 hPa

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

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