California, United States
    Blue Cavern (Catalina Island) Onshore State Marine Conservation Area

    Harbor Reefs

    Best months: Jul–Oct

    Protected Area

    Blue Cavern (Catalina Island) Onshore State Marine Conservation Area

    Why dive here

    Harbor Reefs is a reef 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
    CharacterReef dive

    Harbor Reefs in California offers a straightforward dive, well-suited for a relaxed afternoon. We’ve found decent visibility here, often around 10-15 meters, revealing a typical temperate reef scene. Look out for kelp bass darting through the fronds and the occasional sheephead cruising by. It’s a good choice for divers looking for an easy, shallow dive without strong currents.

    Today05:5517:2811h 32m daylightGolden hour 16:55

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    Conditions

    Ocean conditions, forecast and tides for Harbor Reefs

    Harbor Reefs Ocean Conditions

    Monthly averages for Harbor Reefs, 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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