JULY, AUGUST, SEPTEMBER 





1 1 1 



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1 1 1 



1 1 1 



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. 



51 52 OBSERVATIONS 



16 AVERAGE NUMBER OF OC- 

 CASIONS DURING THE SEA- 

 SON WHEN V^AVES DE- 

 CREASED IN HEIGHT BEtOW 

 6 FEET. 





20 



- 









- 









10 











~ 



,0 



1\ 



-:\ 















- 



70 



• \ 

 - • ^ 



\ 













_ 



^ 



\ 



\ 

 \ 













- 



30 



- 



*\]^ 













- 



,0 



1 1 1 



1 1 1 



1 1 1 



'ViM- 







.1 1 1 



1 1 l' 



-^ 



220 240 260 280 300 



dO 60 80 100 120 140 160 1 



DURATrON {HOURS) 



PERSISTENCE OF FAVORABLE SEAS (< 6, 9, 12 FT.) 





1 1 1 



1 1 1 



1 1 1 



1 1 1 



1 1 1 1 1 1 1 1 1 1 1 1 



T- 



140 





— 













130 

 120 



- 









16 AVERAGE NUMBER OF OC- 

 CASIONS DURING THE SEA- 

 SON WHEN WAVES ROSE 



- 



- 









TO 6 FEET OR HIGHER. 



_ 110 



1 



^ 100 



< 



O 70 



O 



r° 



2 '° 



' .0 











- 



-W 















- 



- w 



\ ■ 















- 



4 \ 



\ 













- 



_ \ »v 



. 













30 



— \ 



\ 

 \ 



••, 



.^ 









— 



^1 1 1 



\^ 



J 1 1 



Tit 



-tn- 



-Ht- 



^f^- 



• •Z 



20 40 



}0 100 120 140 160 leo 2C 

 DURATION (HOURS) 

 PERSISTENCE OF UNFAVORABLE SEAS (5 6, 9, 12 FT.) 



240 260 280 300 



10 20 30 40 50 60 70 80 90 100 



OCTOBER, NOVEMBER, DECEMBER 



-'V ' 



1 1 1 



1 1 1 



1 1 1 



1 1 1 1 1 1 1 1 1 1 1 1 







RVATIONS 



!AGE NUMBER OF OC- 



ONS DURING THE SEA. 



WHEN WAVES DE- 



SED IN HEIGHT BELOW 

 EX. 



: 











11 AVE 

 CAS 

 SON 



- \\ 









6 FE 











~ 





\ 













- 





\ 













- 



-\ 



w 



\ 



\ 











- 



- \ 



\ 













- 



"l 1 1 



1 fv 



•r-i-i- 





1 h" 



~Tr 



-\-T- 



-^ 



40 60 60 100 120 140 160 160 200 220 240 260 280 300 

 DURATION (HOURS) 



PERSISTENCE OF FAVORABLE SEAS (< 6, 9, 12 FT.) 





_M 1 



' 1 ' 



1 1 1 



1 1 1 



1 1 1 1 1 1 1 1 1 1 



T- 







— 

















- \\ 









1 1 AVERAGE NUMBER OF OC- 



- 



130 



"U 









CASIONS DURING THE SEA- 



— 











SON WHEN WAVES ROSE 



- 



120 



\\ 











— 



\\ 



~-V 





















- 



no 



y 100 















- 



-"••\ ^ 















- 



u) 90 



z 

 o 



< ®° 



— '.\ \ 



v 













~ 



\ 



\ 















a 70 



— \*' 













_ 



o 



\ 



'•A 













- 



\ 



\, 













_ 



v° 



— 



. \*-- 













— 





y \ 



•». 















- 



\ N 



• • 



,.^ 









- 



20 



- 



\ 



\ 



\ 



• 







• •• 







- 



"l 1 1 



\ 



1 1 1 



\ 



^ 



^ , 



^T 



irr 



T\- 





1" 



20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 

 DURATION (HOURS) 



PERSISTENCE OF UNFAVORABLE SEAS (5 6, 9, 1 2 FT.) 



10 20 30 40 50 60 70 80 -90 100 



