Copano Bay NOAA Station No.: 87745131 Lat: 28.1145 Long: -97.0242 Meters Feet Mean Higher High Water (MHHW) 1.637 5.37 Mean High Water (MHW) 1.636 5.37 Mean Tide Level (MTL) 1.578 5.18 Mean Sea Level (MSL) 1.581 5.19 Mean Low Water (MLW) 1.520 4.99 Mean Lower Low Water (MLLW) 1.520 4.99 North American Vertical Datum 1988 (NAVD88) 1.469 4.82 Station Datum (STND) 0.000 0.00 Retrieved On: 12-2-09 By: MH