10-30m
    Sardinia, Italy
    Arcipelago La Maddalena

    Grotta di San Francesco

    Best months: Jul–Aug

    Protected Area

    Arcipelago La Maddalena

    Why dive here

    With 74+ marine species recorded in the area - including blue sharks, dolphins, mobula rays (devil rays), oceanic whitetip sharks and ocean sunfish (mola mola) - Grotta di San Francesco offers some of Sardinia's richest cave diving. Water ranges 14-27°C, warmest July, August, September.

    Best timeJul–Aug
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlue Sharks, Dolphins, Mobula Rays (Devil Rays), Oceanic Whitetip Sharks and Ocean Sunfish (Mola Mola) · 74+ species recorded
    Water14-27°C · warmest July, August, September
    CharacterCave dive · max 10-30m
    StandoutRich in charismatic marine life

    The Grotta di San Francesco offers a cool delve into Sardinia's underwater caves. You'll find yourself drifting through calm, clear water, with the occasional ornate wrasse darting between the rocks. We’ve seen quite a few mauve stingers here too, their delicate bells pulsing through the filtered light. It's a nice easy cave dive, good for those looking to try something different without anything too challenging. Keep an eye out for patches of bushy coral and the subtle glow of red and scarlet corals on the walls.

    Typical Grotta di San Francesco Dive Profile

    5m10mSafety Stop0m10m 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.

    Safety Notes

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

    Today06:3017:4911h 20m daylightGolden hour 17:12

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    Conditions

    Ocean conditions, forecast and tides for Grotta di San Francesco

    Grotta di San Francesco Ocean Conditions

    Monthly averages for Grotta di San Francesco, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (41.18, 9.42) (10km away)

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    October Averages

    Sea Temperature

    22°C

    71°F · Range: 19.6–24°C

    Air Temperature

    18°C

    65°F

    Wind Speed

    4.65 m/s

    9.0 knots

    Atmospheric Pressure

    1018.1 hPa

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

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