I am trying to learn more about the daily fluctuations of tidal movement and how it is reported on the tide charts. If the chart says high tide is +1.20, what is high tide 1.20 feet higher than? Is it higher than mean sea level (MSL)? I see some days where high tide is around +1 foot and low tide is also a positive number such as +.4 feet. Does this mean that both low and high tide is higher than MSL?
Another observation I have made is that based on the charts, there is much less tidal fluctuation in the middle of the state at the Port O’Connor station than what is predicted at the north station (Sabine) and south station (South Padre Island).
Thanks in advance.
Another observation I have made is that based on the charts, there is much less tidal fluctuation in the middle of the state at the Port O’Connor station than what is predicted at the north station (Sabine) and south station (South Padre Island).
Thanks in advance.
