Question: what is the average height difference between the high tides and low tides?
Answer: The difference in height between successive high and low tides is called the tidal range. In the chart shown on the right, the largest tidal range in 6 feet, the difference in height between the 1st low tide (1 foot) and the 2nd high tide (7 feet). (Tidal range = 7 feet – 1 foot = 6 feet.)