Ko Olina water temperature

Typically about 81° in August — bath-warm.

from the wave buoy off Barbers Point, about 2 miles away

bath-warm

bath-warm 80° and up perfect 72–79° refreshing 65–71° brisk below 65° 81° typical for August

The year at a glance

Swimmable year-round.

swimmable 70° 80° 90° 81° 77° JFMAMJJASOND January: typically 78° — perfect February: typically 77° — perfect March: typically 77° — perfect April: typically 78° — perfect May: typically 78° — perfect June: typically 79° — perfect July: typically 80° — bath-warm August: typically 81° — bath-warm September: typically 81° — bath-warm October: typically 81° — bath-warm November: typically 80° — bath-warm December: typically 79° — perfect

Month by month

Month Typical Feels
January 78° perfect
February 77° perfect
March 77° perfect
April 78° perfect
May 78° perfect
June 79° perfect
July 80° bath-warm
August 81° bath-warm
September 81° bath-warm
October 81° bath-warm
November 80° bath-warm
December 79° perfect

About this reading

The reading comes from the wave buoy off Barbers Point, just off the coast.

Reading from the wave buoy off Barbers Point, about 2 miles away.

Warm water says nothing about surf, rip currents, or bacteria — check local lifeguard flags and advisories.