Prony Bay, New Caledonia
    Réserve de la passe Amédée

    Passe de Mato

    Best months: Dec–Apr

    Protected Area

    Réserve de la passe Amédée

    Why dive here

    With 73+ marine species recorded in the area - including dugongs, great white sharks, humpback whales and sperm whales - Passe de Mato 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

    Passe de Mato, two hours south of Nouméa, definitely earns its spot. It's an outer channel, so you'll feel the ocean's surge, but that energy brings the big stuff in. We love dropping onto the plateau at 10 metres, then drifting along the wall as it falls to 25 metres. The visibility here, averaging 19 metres, means you can really appreciate the scale. We've seen oceanic manta rays glide past in the blue, and there’s always a chance for a great white, though they’re shy. The reef itself is a mix of staghorn and branch corals, with plenty of macro life if you look closely: Acropora Coral Crabs scuttling, maybe a Striated Locust Lobster peeking out. This is a dive for those who enjoy a bit of current and the thrill of open ocean encounters. Expect a proper channel dive; it's less about lingering in one spot and more about a flowing exploration.

    Safety Notes

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

    Today05:2617:5612h 30m daylightGolden hour 17:26

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    Conditions

    Ocean conditions, forecast and tides for Passe de Mato

    Passe de Mato Ocean Conditions

    Monthly averages for Passe de Mato, 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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