California, United States
    Farnsworth Offshore (Catalina Island) State Marine Conservation Area

    USS John C Butler DD-339

    Best months: Jul–Oct

    Protected Area

    Farnsworth Offshore (Catalina Island) State Marine Conservation Area

    Why dive here

    USS John C Butler DD-339 is a wreck dive in California, United States. Water ranges 14-21°C, warmest July, August, September.

    Best timeJul–Oct
    WetsuitA 5mm wetsuit
    Water14-21°C · warmest July, August, September
    CharacterWreck dive

    The USS John C. Butler, DD-339, isn't just a pile of metal on the seabed, it’s a genuine piece of history, and we love diving it for that exact reason. Dropping down, you immediately sense the scale of this destroyer escort, even in its broken state. There's a real drama to how it’s settled, especially the way the stern section angles into the sand, making for some fantastic swim-throughs if you're comfortable with overhead environments. Our favourite part has to be exploring the engine room. It’s remarkably intact, with gauges still visible, and you can almost hear the hum of machinery. Keep an eye out for the resident cabezon – they often hang out in the shadowy corners of the deeper sections. Visibility can be hit or miss, typical for Southern California, so we always aim for a dive after a few days of calm seas. It’s definitely a site for experienced wreck divers; the currents here can be a bit frisky, and it's deep enough that you need to watch your bottom time.

    Safety Notes

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

    Today05:5517:2811h 33m daylightGolden hour 16:55

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    Conditions

    Ocean conditions, forecast and tides for USS John C Butler DD-339

    USS John C Butler DD-339 Ocean Conditions

    Monthly averages for USS John C Butler DD-339, sourced from NOAA NDBC buoy data - nearest station: Topanga Nearshore, CA (103) (221km away)

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    October Averages

    Sea Temperature

    19°C

    66°F · Range: 14–23.7°C

    Air Temperature

    18°C

    65°F

    Wave Height

    0.6m

    13.8s period

    Based on 4 years of monitoring data · Data sources: NOAA NDBC buoy data

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