Posted on 2015-10-012019-06-28 by haidown trend in sea water temperature at kawaihae reefcoral bleachingcoral bleaching Water temperature has cooled started the last week of September 2015.Related posts:Coral Bleaching at Kawaihae Reef 9.1.2015Greener water at Kawaihae, Hawaiicoral recovery monitor from 11.11.15sea temperature comparision 2016.06 to 2017.06