On Kauai , the Hanalei River rose above its normal level , leading to the closure of the Hanalei School . Several tree limbs and small trees was blown down across the island . Rainfall on Kauai peaked at 5 @.@ 33 in ( 135 mm ) at Mount Wai 'ale 'ale and on Maui , up to 4 @.@ 05 in ( 103 mm ) fell in Kaupo Gap . On the leeward side of the mountains , rainfall peaked at 1 @.@ 3 in ( 33 mm ) in Kihei , an area that rarely record rainfall in August . Throughout the island , the total amount of water in reservoirs increased to 104 @.@ 5 million gallons ( 395 @.@ 5 million liters ) from 77 @.@ 8 million gallons ( 294 @.@ 5 million liters ) prior to Felicia . Rainfall in some areas was heavy enough at times to reduce visibility to several feet . Streets in these areas was covered with muddy water . Localized heavy rainfall fell on the Big Island , peaking at 2 @.@ 76 in ( 70 mm ) in Kealakekua . In Wailua Beach , there was one lifeguard rescue that resulted in the swimmer being sent to a local hospital . Three other people was swept away at the mouth of the Wailua River , all of whom was quickly rescued . In Honolulu , runoff from the storm resulted in large amounts of trash and debris along the local beaches . Private contractors was dispatched to the affected coastlines to trap and remove the trash . Officials was forced to close the beaches along Hanauma Bay after swells from Felicia pushed an estimated 2 @,@ 000 Portuguese Man o ' War siphonophorae into the region . The beaches was later re @-@ opened on August 14 .