South Bird Island NOAA Station No.: 87761391 Lat: 27.4847 Long: -97.3181 Meters Feet Mean Water Level (MWL) 0.595 1.95 North American Vertical Datum 1988 (NAVD88) 0.632 2.07 Station Datum (STND) 0.000 0.00 Retrieved On: 12-2-09 By: MH