( ( Offshore ( sand ( bars ( and ( inlet shoals ) ) ) ) ) ( ( ( cause ( ( further loss ) ( of ( wave energy ) ) ) ) ( by ( forcing ( ( the waves ) ( to ( break ( before ( reaching ( the beaches ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Offshore) (NN sand) (NNS bars) (CC and) (NN inlet) (NNS shoals)) (VP (VBP cause) (NP (NP (JJ further) (NN loss)) (PP (IN of) (NP (NN wave) (NN energy)))) (PP (IN by) (S (VP (VBG forcing) (S (NP (DT the) (NNS waves)) (VP (TO to) (VP (VB break) (PP (IN before) (S (VP (VBG reaching) (NP (DT the) (NNS beaches)))))))))))) (. .)))
Offshore sand bars and inlet shoals cause further loss of wave energy by forcing the waves to break before reaching the beaches.
(ROOT (S (NP (NNP Low) (NN energy)) (VP (VBZ causes) (S (NP (NNS waves)) (VP (TO to) (VP (VB bring) (NP (NN sand)) (PRT (RP up)) (PP (IN onto) (NP (NP (DT the) (NN beach)) (PP (IN during) (NP (NNS summers))))))))) (. .)))