Coral bleaching widespread across Hawaiian Islands, surveys show

A Sept. 22 map of coral bleaching conditions in Hawaii. (NOAA/via AP)

Coral bleaching monitoring took place recently in Kaneohe Bay on Oahu. (Photo courtesy of the state DLNR)

HONOLULU — On the map of the main Hawaiian isles, colored dots denoting the extent of bleached corals cover the north and south sides of Kauai, surround all of Oahu and blanket the west sides of Maui and Hawaii island.