Abstract Timelapse of the geographic clipping of Barra do Rio coastal lagoon, located on the east coast of the Rio Grande do Norte state (Lat: 5°40′33.5"S / Long: 35°3′5"W). The timelapse aims to demonstrate the intense environmental dynamics of coastal lagoon (connections with the sea). Methods This timelapse was built based on 32 high resolution satellite images (2s frame duration), present in the Google Earth Pro Software database, between 2001 and 2020. Builder software: Movie Maker - Video Editor FREE.