Yap, Micronesia

    Mill Channel old cleaning station

    Best months: Dec–Apr

    Why dive here

    With 297+ marine species recorded in the area - including barracuda, blacktip reef sharks, giant moray eels, grey reef sharks and seahorses - Mill Channel old cleaning station offers some of Yap's richest drift diving. Water ranges 29-30°C, warmest June, July, October.

    Best timeDec–Apr
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blacktip Reef Sharks, Giant Moray Eels, Grey Reef Sharks and Seahorses · 297+ species recorded
    Water29-30°C · warmest June, July, October
    CharacterDrift dive
    StandoutExceptional marine biodiversity

    Mill Channel’s old cleaning station is one of those sites we always recommend, especially for a morning dive. You’re dropping into the channel itself, usually in some mild current, and then drifting along a reef wall that’s just buzzing. We love to watch the bigger pelagics cruise by in the blue, often grey reef sharks or the occasional silvertip. The cleaning station itself is where the real show happens. You’ll settle in, often behind a coral bommie, and just watch the queues form. Humphead wrasse, a few different parrotfish species, even giant trevally come in for a scrub. We’ve spent whole dives just mesmerised by the orderly chaos, the way a dozen rainbow parrotfish will wait their turn. It’s a pretty easy dive, just let the current do the work. It’s perfect for anyone who loves observing behaviour rather than just ticking off species.

    Safety Notes

    Drift dive - carry a surface marker buoy (SMB) and stay with your group. Brief the current direction before entry.

    Today05:3617:3411h 58m daylightGolden hour 17:06

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    Conditions

    Ocean conditions, forecast and tides for Mill Channel old cleaning station

    Mill Channel old cleaning station Ocean Conditions

    Monthly averages for Mill Channel old cleaning station, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (9.45, 138.07) (4km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.3–31.2°C

    Air Temperature

    28°C

    82°F

    Wind Speed

    6.93 m/s

    13.5 knots

    Atmospheric Pressure

    1008.9 hPa

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

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