Prony Bay, New Caledonia
    Réserve de la passe Amédée

    Le Sournois

    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 - Le Sournois offers some of Prony Bay's richest reef 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
    CharacterReef dive
    StandoutRich in charismatic marine life

    Prony Bay has a quiet magic, and Le Sournois is arguably its brightest spark. We love dropping onto this reef's edge, knowing we’re about to be swallowed by fish. The site caps out at around 18 metres, but the real action happens in the shallower stretches, 6 to 10 metres, where the light plays off the coral heads. Schools of fusiliers are so thick here, they often dim the sunlight for a moment as they swirl past. It’s not just the sheer volume of fish, though; it’s the variety. We’ve finned past honeycomb groupers lurking in crevices, watched ornate pitar venus clams filter feed, and occasionally, if you’re lucky, you might spot a dugong grazing peacefully in the seagrass beds nearby – a rare, gentle encounter. Look closely, and you’ll find brown-banded pipefish camouflaged against the coral. Le Sournois feels like a busy neighbourhood, a constant hum of activity. It’s a site that rewards slow diving, allowing you to absorb the constant motion.

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

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    Conditions

    Ocean conditions, forecast and tides for Le Sournois

    Le Sournois Ocean Conditions

    Monthly averages for Le Sournois, 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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