The difference in height between high and low water.
The difference in height between mean low tide and mean high tide.
The difference between the heights of high water and low water.
The range between high and low tide in feet
the vertical distance between the high and low tide.
difference between high and low tide.
The amount of change in an area's water level from low to high tide.
(Or tide range.) The difference in height between low and high water tidal levels, equal to twice the tidal amplitude.