fetch line with the 10.3-foot wave height line. Other points on the 

 500-mile decay curve may be obtained similarly and the line drawn in. 

 The curves for other decay distances may then be derived in a like 

 manner, 'and the entire family of curves plotted. 



It is thought that curves such as those shown may be used td 

 considerable advantage in determining hindcast frequencies of waves 

 greater than a particular limiting value, representing a large time 

 saving over previous (but more complete) methods. 



