Portofino & Liguria, Italy
    Fondali Boccadasse - Nervi

    ASD POSIDONIA

    Best months: Jul–Aug

    Protected Area

    Fondali Boccadasse - Nervi

    Why dive here

    With 70+ marine species recorded in the area - including blue sharks, dolphins, humpback whales, mobula rays (devil rays) and oceanic whitetip sharks - ASD POSIDONIA offers some of Portofino & Liguria's richest diving. Water ranges 14-27°C, warmest July, August, September.

    Best timeJul–Aug
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlue Sharks, Dolphins, Humpback Whales, Mobula Rays (Devil Rays) and Oceanic Whitetip Sharks · 70+ species recorded
    Water14-27°C · warmest July, August, September
    StandoutRich in charismatic marine life

    Dropping into ASD Posidonia, you’re often greeted by the soft sway of the seagrass meadow, a crucial habitat here in Liguria. It’s a good spot for patiently observing some of the quieter residents, like the Mediterranean slipper lobster or maybe a well-camouflaged conger eel peeking from a crevice. We’ve had pleasant dives here, watching brown combers glide between the blades and occasionally spotting the flash of a horse mackerel passing through. While it might not have the dramatic drops of other Portofino sites, it’s a calm, rewarding dive for those who appreciate the subtle beauty of a healthy seagrass bed.

    Today06:3417:4911h 15m daylightGolden hour 17:10

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    Conditions

    Ocean conditions, forecast and tides for ASD POSIDONIA

    ASD POSIDONIA Ocean Conditions

    Monthly averages for ASD POSIDONIA, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (44.38, 9.02) (43km away)

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    October Averages

    Sea Temperature

    21°C

    70°F · Range: 19–23.2°C

    Air Temperature

    18°C

    64°F

    Wind Speed

    4.49 m/s

    8.7 knots

    Atmospheric Pressure

    1017.3 hPa

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

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