25.0 tS.O 



Period (s ) 

 10.0 



6.0 



50 

 40_ 

 30 _ 

 20_ 

 10 



50_ 

 40_ 

 30- 

 20_ 

 10 



-. ,.>.,<iiilL ilLiti .-.■,. ■liJliinL.llliuli.li .III. ■■■ 



S0_ 

 40_ 

 30_ 

 20_ 

 10_ 



■ ^ .-L-lJu.. .ifcjll. „ - 



1 r 



j^ 



Lhii ». 



50_ 

 40- 

 30- 

 20_ 

 10_ 



-| Ui.i..ltjL 4ill 



.■Iljl.jl,lllljl.l... 



Liii. I 



■ ■^.^ .lJi. .,11 



50 



40_ 



30_ 



20_ 



10_ 



) r - I — 1 



LLl 



- . -.-■Llln... mM, 



,6 0.10 



ilLi.lj...i.M.]|ii III I- 



0.14 0.18 



Frequency ( Hz ) 



Figure E-41. Significant wave height 91.2 centimeters (3.0 feet), 

 17 December 1970, 1644 hours. 



20 



