30m
    Intermediate
    Chuuk (Truk) Lagoon, Micronesia

    Truk Lagoon

    Best months: Jan–May

    Why dive here

    With 195+ marine species recorded in the area - including barracuda, blacktip reef sharks, eagle rays, grey reef sharks and whitetip reef sharks - Truk Lagoon offers some of Chuuk (Truk) Lagoon's richest wreck diving. Water ranges 29-30°C, warmest August, October, November.

    Best timeJan–May
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blacktip Reef Sharks, Eagle Rays, Grey Reef Sharks and Whitetip Reef Sharks · 195+ species recorded
    Water29-30°C · warmest August, October, November
    CharacterWreck dive · max 30m
    StandoutExceptional marine biodiversity

    Truk Lagoon isn't just a dive site, it’s a time capsule. Dropping onto the deck of a freighter at 30 meters, you’re not just seeing history, you’re swimming through it. We love the sheer scale of the place; full supply holds with gas masks, ammunition, and even tanks still lashed to the deck. It’s eerie, but also completely captivating. The wrecks here are smothered in corals, an artificial reef system thriving on tragedy. Look closely and you’ll find nudibranchs crawling over artillery shells, while schools of fusiliers swirl around cargo cranes. Our favourite dive is often one of the larger freighters, like the San Francisco Maru, where the hold exploration feels like an archaeological dig. Just remember to be mindful of your buoyancy; silt-outs happen fast. This place is perfect for intermediate wreck divers who appreciate both history and the incredible tenacity of marine life reclaiming these steel giants.

    Typical Truk Lagoon Dive Profile

    10m20m30mSafety Stop0m30m max~30 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

    Depth of 30m - Advanced Open Water 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.

    Today05:4017:4012h 0m daylightGolden hour 17:12

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    Conditions

    Ocean conditions, forecast and tides for Truk Lagoon

    Truk Lagoon Ocean Conditions

    Monthly averages for Truk Lagoon, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (7.41, 151.84) (2km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.3–31.4°C

    Air Temperature

    28°C

    82°F

    Wind Speed

    6.4 m/s

    12.4 knots

    Atmospheric Pressure

    1009.4 hPa

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

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