40m
    Marseille & Calanques, France
    Embouchure de l'Argens

    TROIS MATS

    Best months: Aug

    Protected Area

    Embouchure de l'Argens

    Why dive here

    With 157+ marine species recorded in the area - including blue sharks, dolphins, dwarf minke whales, humpback whales and mobula rays (devil rays) - TROIS MATS offers some of Marseille & Calanques's richest wreck diving. Water ranges 14-25°C, warmest July, August, September.

    Best timeAug
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlue Sharks, Dolphins, Dwarf Minke Whales, Humpback Whales and Mobula Rays (Devil Rays) · 157+ species recorded
    Water14-25°C · warmest July, August, September
    CharacterWreck dive · max 40m
    StandoutExceptional marine biodiversity

    The Trois Mats wreck. A name that always gets a nod from local divers, and for good reason. She’s a proper wooden sailing ship, sitting upright and mostly intact on a flat sandy bottom at 40 metres. Diving a wooden wreck is always a special experience, and this one really delivers. We love the atmosphere here. Dropping down onto her deck, you can still make out the mast steps and the general lines of her hull. It feels like stepping back in time, and there’s a quiet reverence to it. You’ll find plenty of resident fish life – conger eels peek from dark corners, and we’ve seen some surprisingly large lobsters tucked away in the deeper crevices. Our favourite part? Exploring the stern, where the rudder is still in place. It’s a photographer’s dream down there, especially on a sunny day when the light filters through the water. This one is definitely for experienced divers comfortable with depth and perhaps a touch of current, which can sometimes sweep through.

    Typical TROIS MATS Dive Profile

    15m30m45mSafety Stop0m40m max~20 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

    Deep dive (40m) - monitor air consumption closely. Advanced certification recommended.

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

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

    Today05:4216:5911h 16m daylightGolden hour 16:20

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    Conditions

    Ocean conditions, forecast and tides for TROIS MATS

    TROIS MATS Ocean Conditions

    Monthly averages for TROIS MATS, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (43.11, 5.89) (32km away)

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    October Averages

    Sea Temperature

    21°C

    69°F · Range: 15.7–23.1°C

    Air Temperature

    18°C

    64°F

    Wind Speed

    6.69 m/s

    13.0 knots

    Atmospheric Pressure

    1016.9 hPa

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

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