TIDAL INFORMATION PLACE: Piriapolis LAT.: 34º52.6´S LONG.: 055º16.8´W MHWS: - MHWN: - MLWS: - MLWN: - Heights in meters above the Sounding Reduction Plane (0.11m above the "0" of the tide scale of the Piriápolis Harbour). Semidaily Tides.