Port O'Connor NOAA Station No.: 87737011 Lat: 28.44603 Long: -96.39607 Meters Feet Mean Higher High Water (MHHW) 3.657 12.00 Mean High Water (MHW) 3.651 11.98 Mean Tide Level (MTL) 3.540 11.61 Mean Sea Level (MSL) 3.545 11.63 Mean Low Water (MLW) 3.429 11.25 Mean Lower Low Water (MLLW) 3.418 11.21 North American Vertical Datum 1988 (NAVD88) 3.566 11.70 Station Datum (STND) 0.000 0.00 Retrieved On: 12-3-09 By: MH