pAuthorities in Puerto Rico evacuated homes in Hatillo and closed roads as waves up to 20 foot slammed into the north shore of the island on Sunday, March 4.ppThe National Weather Service San Juana warned residents to stay away from the coastline because of forecasts of 15-20 foot waves. A local news site, Jornada PRa, reported that police had evacuated families from homes on the coast of Mar Azul and nearby Hatillo and closed roads due to flooding from the sea.ppThis video shows waves breaking at Mar Azul, knocking over people and sweeping away a car.