Frequency ( percent) 
as 
=i 
oa 
x 
@ fe 
NANTUCKET LIGHTSHIP. (WIND WAVES) 
02) 
Theoretical maximum possible H /L ba | Miners 
ou N | 
C) 
0.1 o5 I 2 5 10 20 30 40 50 60 70 60 90 95 98 99 99.8 
Percent greater than 
FIG.2. WAVE STEEPNESS FREQUENCY 
60 
i |! 
40) 
20) 
NANTUCKET LIGHTSHIP. (WIND 
WAVES) 
ie) i] 2 3 4 - 5 
Period (sec.) 
FIG. 3. FREQUENCY OF PERIOD SPREAD 
10 
