Additionally , 0.7 mi ( 1.1 km ) of retaining walls sustained damage , leaving areas vulnerable to flooding from future storms .
Additionally , waves reached 13 ft ( 4 m ) , resulting in some beach erosion and damage to dunes and coral reefs .
0.7 mi ( 1.1 km ) of retaining walls sustained damage , leaving areas vulnerable to flooding from future storms .
Additionally , waves reached 13 ft ( 4 m ) , resulting in some beach erosion and damage to dunes and coral reefs .