HW - High Water HWM - High Water Mark MHW - Mean High Water HWL - High Water Line HWN - High Water Neap HWW - High Water Women HWL - High Water Level HWM - High Water Marks HWMs - High Water Marks HWS - High Water Slack DHW - Design High Water HWS - High Water Sensor NHW - Normal High Water HOHW - Hell or High Water EHW - Extreme High Water OHW - Ordinary High Water OHWZ - Old High Water Zone NHWZ - New High Water Zone HAHW - Hell And High Water HWI - High Water Interval LHWM - Low High Water Mark MLHW - Mean Low High Water MHWL - Mean High Water Line MHWM - Mean High Water Mark MHWN - Mean High Water Neap HHWM - High High Water Mark MHHW - Mean High High Water HWLM - High Water Line Mark MHWL - Max High Water Level NHHW - Neap High High Water HWE - High Water Elevation THWM - The High Water Marks MHWN - Mean High Water Neaps MLHW - Mean Lower High Water MHWL - Mean High Water Level DHWL - Daily High Water Line XHW - Extratidal High Water AMHW - Above Mean High Water HHWL - High High Water Level HWBF - High Water Base Fluid HWMS - High Water Mark Study HWNT - High Water Neap Tides NLHW - Neap Lower High Water DHWM - Dumps High Water Mark HWI - High Water Inequality MHHW - Mean Higher High Water MHWS - Mean High Water Spring SHWM - System High Water Mark HHWN - Higher High Water Neap LHWN - Lowest High Water Neap
