1.85 



5 and 6 May 

 .25 



Wave Period 

 (hr) 



m 



"W^A 



7 and 8 May 



1.85 



2.2 

 3.5 



.44 



1.25 



9 and 10 May 



1.44 



1.85 



2.2 



*l 



L 



5 2 I 



5 2 I 



5 2 



and 12 May 



12 and 13 May 

 J. 44 



22 



J. 25 



14 and 15 May 



.5.3 



1.85 



5 2 -I 



5 2 I 



5 2 I 



Period (hr) 



Figure 12. Sample spectra of Pentwater bay water levels (May 1975) 



36 



