BLOCK ISLAND, RI - 154 Historic data
The total energy in all bands less than the 10 seconds cut-off period (the sea), is plotted
in green, and the total energy in all bands greater than the cut-off (the swell) is plotted in blue
for each run (30 minute file).
Hs = Significant Wave Height;
Tp = Peak Period;
Dp = Peak Direction;
Ta = Average period;
