20m
    Beginner
    Algarve & Berlengas, Portugal
    Lagosteiros

    Cavernas

    Best months: Jun–Oct

    Protected Area

    Lagosteiros

    Why dive here

    With 116+ marine species recorded in the area - including blue sharks, blue whales, dolphins, dwarf minke whales and ocean sunfish (mola mola) - Cavernas offers some of Algarve & Berlengas's richest cave diving. Water ranges 15-19°C, warmest June, October, November.

    Best timeJun–Oct
    WetsuitA 5mm wetsuit
    Marine lifeBlue Sharks, Blue Whales, Dolphins, Dwarf Minke Whales and Ocean Sunfish (Mola Mola) · 116+ species recorded
    Water15-19°C · warmest June, October, November
    CharacterCave dive · max 20m
    StandoutRich in charismatic marine life

    Cavernas in Algarve is exactly what it sounds like – a collection of swim-throughs and small caverns, nothing too deep, all within a 20-meter range. It’s perfect if you’re new to overhead environments, offering an easy introduction without any real challenge. Sunlight filters through cracks in the rock, illuminating the occasional school of glinting silversides. Keep an eye out for nudibranchs on the walls and maybe a curious moray eel tucked into a crevice. We’d suggest going on a calm day for the best light penetration; it really makes a difference here.

    Typical Cavernas 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.

    Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.

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

    Today05:4217:0611h 24m daylightGolden hour 16:31

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    Conditions

    Ocean conditions, forecast and tides for Cavernas

    Cavernas Ocean Conditions

    Monthly averages for Cavernas, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (37.92, -8.81) (40km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    19°C

    65°F · Range: 16.7–20.2°C

    Air Temperature

    18°C

    65°F

    Wind Speed

    8.24 m/s

    16.0 knots

    Atmospheric Pressure

    1017.4 hPa

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

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