7m
    Nha Trang, Vietnam
    Cu Mong

    Fei Yua 9

    Best months: Jan–Apr

    Protected Area

    Cu Mong

    Why dive here

    With 176+ marine species recorded in the area - including giant moray eels, sea turtles and pufferfish - Fei Yua 9 offers some of Nha Trang's richest wreck diving. Water ranges 25-31°C, warmest May, June, September.

    Best timeJan–Apr
    WetsuitA 3mm full wetsuit
    Marine lifeGiant Moray Eels, Sea Turtles and Pufferfish · 176+ species recorded
    Water25-31°C · warmest May, June, September
    CharacterWreck dive · max 7m
    StandoutExceptional marine biodiversity

    Fei Yua 9 is a bit of a local legend for us in Nha Trang, a shallow wreck that delivers way more character than its depth suggests. We’re talking about an old fishing boat, probably from the 70s or 80s, now completely consumed by the reef. It’s only seven meters deep, so your bottom time stretches forever here, perfect for photographers or just soaking it all in. You'll fin around the skeletal remains of the hull, the wooden planks long gone, replaced by a riot of soft corals and anemones. Schools of small barracuda often hover over the deck, glinting in the sunlight that filters down, and we've seen cuttlefish here more times than we can count, often tucked into little crevices. Our favourite part? The engine room. It’s easily penetrable for certified wreck divers, just be mindful of silting. Inside, you’ll find nudibranchs crawling over the rusty machinery and tiny glassfish darting through the beams. It’s a gentle exploration, really, a peek into the past and a bustling marine apartment complex all at once. The current can pick up a bit around the bow, so keep an eye out, especially if you’re focusing on macro shots.

    Typical Fei Yua 9 Dive Profile

    5mSafety Stop0m7m max~60 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

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

    Today05:3417:2711h 53m daylightGolden hour 16:59

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    Conditions

    Ocean conditions, forecast and tides for Fei Yua 9

    Fei Yua 9 Ocean Conditions

    Monthly averages for Fei Yua 9, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (12.34, 109.32) (19km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    86°F · Range: 28–31.8°C

    Current Speed

    1.41 cm/s

    Direction: SE (135°)

    Chlorophyll-a

    0.104 mg/m³

    Clear water

    Salinity

    31.6 PSU

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

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