Rockport NOAA Station No.: 87747701 Lat: 28.0243 Long: -97.0478 Meters Feet Mean Higher High Water (MHHW) 1.967 6.45 Mean High Water (MHW) 1.966 6.45 Mean Tide Level (MTL) 1.912 6.27 Mean Sea Level (MSL) 1.914 6.28 Mean Low Water (MLW) 1.857 6.09 Mean Lower Low Water (MLLW) 1.856 6.09 North American Vertical Datum 1988 (NAVD88) 1.677 5.50 Station Datum (STND) 0.000 0.00 Retrieved On: 12-2-09 By: MH