Kuli'ou'ou is a saltwater beach in Honolulu County, Hawaii. Across 26 bacteria samples collected between 2021 and 2022 at nearby monitoring stations, it earns a Beach Safety Grade of C — Fair.
About 8% of samples at Kuli'ou'ou exceeded the EPA Beach Action Value of 104 CFU/100 mL for Enterococcus — the threshold at which water managers typically post a swimming advisory. In practice that means the safe-swimming limit was sometimes crossed here over the monitored period. Bacteria samples occasionally exceed the safe-swimming threshold — check the latest advisory before swimming.
Kuli'ou'ou was not under a swimming advisory in the most recent EPA snapshot. Conditions can change quickly after heavy rain or high runoff, so it's still worth checking the current advisory the day you go.