Mean Lower Low Water (MLLW) The average height of the lower of the two low tides occurring during a tidal cycle recorded over a 19-year period at a particular location.
(MLLW) - A tidal datum. The average of the lower low water height of each tidal day observed over the National Tidal Datum Epoch.
On a buoy report, the water level in feet above or below Mean Lower Low Water (MLLW).
Tidal WaveSee TSUNAMITIDEOn a buoy report, the water level in feet above or below (MLLW).Tide AnomalyActual water level minus the prediction.
See also: Thunderstorm, Synoptic, Tornado, Temperature, Lapse Rate