- April 12, 2020
About mile 11 beyond the end of pavement on the South Padre Island wilderness beach, these dunes have had their feet eroded away and are calving dunebergs into the surf. The erosion is caused by sea level rise that is beyond the threshold of barrier island beach disintegration. Between June 2018 and May 2019, normal, non-storm high tides have been so high they cause dune erosion.