Typical August highs at Keaau Beach reach about 82°F, with reliable beach weather most of the year. Keaau Beach is located in Waianae, Hawaii.
Waianae, Hawaii · live parking & conditions · updated June 19, 2026
In a typical year August is the warmest month here, with highs near 82°F, and it's reliably beach weather most of the year. Tap Keaau Beach on the map for live surf, wind, water temperature, UV and tide times.
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