JULY, AUGUST, SEPTEMBER 



1 I 1 



1 1 1 



1 1 1 



1 1 1 



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



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RVATIONS 



AGE NUMBER OF OC- 



ONS DURING THE SEA- 



WHEN WAVES DE- 



SEO IN HEIGHT BELOW 

 ET. 



- 



- 









28 AVE 

 CAS 

 SON 



~ 









6 FE 











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1 1 1 



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til ill J • 





- 



.kJ..!.. 



2i^ 



iO 60 80 100 120 140 160 180 200 220 240 260 

 DURATION (HOURS) 



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



— O 70 — 



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1 1 ' 



1 1 1 



1 1 1 1 1 1 1 { 1 







RVATIONS 



AGE NUMBER OF OC- 

 ONS DURING THE SEA- 

 WHEN WAVES ROSE 

 i FEET OR HIGHER. 



- 



- 









28 AVE 

 CAS 

 SON 



- 



















- 



\ 















- 



-\ 















- 



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_ 



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-\ 



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- 



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-u'r 



"iTv 



•vf-r- 



•H.J.ii 



ik.L.L. 



• iiai 



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

 DURATION (HOURS) 



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



'V"'l""l""l' 



rT^^^^^^^WrTTT^ffrrj 



10 20 30 40 50 60 70 80 90 100 



OCTOBER, NOVEMBER, DECEMBER 



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1 1 1 



< 1 < , 1 1 < , < 1 < , 





6552 OBSERVATIONS 



- 























16 AVERAGE NUMBER OF OC- 

 CASIONS DURING THE SEA- 

 SON WHEN WAVES DE- 

 CREASED IN HEIGHT BELOW 

 6 FEET. 



- 



-\ 

















— 

































- 



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- 



::: 



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z 

















" 



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\\ 

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- 



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- 



~ *, 



\ 

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^ 



^ 









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- 





■. 





^ 



■~~^~~- 







- 



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,.i.j.T 



11-r- 



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

 DURATION (HOURS) 



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



2 - 



V 1 ' 



1 i 



1 1 ' 



1 1 ' 



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









\ 









16 AVERAGE NUMBER OF OC- 



- 









CASIONS DURING THE SEA- 



— 



-\ 









SON WHEN WAVES ROSE 



— 



- \ 



- \ 



















- 



\ \ 

















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- 



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rk 















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1 1 1 



1 1 1 



iTt- 



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-H-r- 



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

 DURATION (HOURS) 



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



10 20 30 40 50 60 70 80 90 100 



39 



