Prony Bay, New Caledonia
    Parc du lagon sud: Ilot Amedee et Grand Recif Abore

    La Diéppoise, wreck

    Best months: Dec–Apr

    Protected Area

    Parc du lagon sud: Ilot Amedee et Grand Recif Abore

    Why dive here

    With 73+ marine species recorded in the area - including dugongs, great white sharks, humpback whales and sperm whales - La Diéppoise, wreck offers some of Prony Bay's richest wreck diving. Water ranges 22-27°C, warmest January, February, March.

    Best timeDec–Apr
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeDugongs, Great White Sharks, Humpback Whales and Sperm Whales · 73+ species recorded
    Water22-27°C · warmest January, February, March
    CharacterWreck dive
    StandoutRich in charismatic marine life

    We love the La Diéppoise. It’s a shipwreck with a difference. This anti-mine vessel, later repurposed as a lighthouse and beacon ship, had a wooden hull – a detail that now makes it incredibly unique. When you drop down to 23m, you’ll find that the wood has long since vanished, leaving behind just the skeletal ribs of the hull. It’s like diving through a ghost ship, a fascinating lattice that lets the light stream through and gives you an unobstructed view into its former compartments. You can easily swim right through the remaining structure, a genuinely eerie experience as you trace the ship’s original form. While fixed growth on the wreck itself is minimal, the structure acts as an artificial reef, drawing in big schools of bannerfish and wrasse that flutter around the ribs. Keep an eye out for speckled grouper lurking in the shadows and the occasional reef manta ray cruising past in the deeper water. It's a mellow dive, perfect for wreck enthusiasts who appreciate a bit of history and a different kind of exploration.

    Safety Notes

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

    Today05:2717:5712h 30m daylightGolden hour 17:27

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    Conditions

    Ocean conditions, forecast and tides for La Diéppoise, wreck

    La Diéppoise, wreck Ocean Conditions

    Monthly averages for La Diéppoise, wreck, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-22.43, 166.43) (4km away)

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    October Averages

    Sea Temperature

    23°C

    74°F · Range: 21.8–26.2°C

    Current Speed

    6.71 cm/s

    Direction: SW (206.6°)

    Chlorophyll-a

    0.061 mg/m³

    Very clear (oligotrophic)

    Salinity

    35.39 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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