Port Arthur NOAA Station No.: 8770451 Lat: 29.8672 Long: -93.9310 Meters Feet Mean Higher High Water (MHHW) 1.735 5.69 Mean High Water (MHW) 1.718 5.64 Mean Tide Level (MTL) 1.592 5.22 Mean Sea Level (MSL) 1.601 5.25 Mean Low Water (MLW) 1.466 4.81 Mean Lower Low Water (MLLW) 1.417 4.65 North American Vertical Datum 1988 (NAVD88) 1.348 4.42 Station Datum (STND) 0.000 0.00 Retrieved On: 15-2-09 By: MH