JULY, AUGUST, SEPTEMBER 





J 1 ' 



1 1 1 



1 1 1 



1 1 1 



1 1 1 1 1 1 1 { 1 1 1 1 





130 

 120 



- 9636 OBSERVATIONS 



18 AVERAGE NUMBER OF OC- 

 CASIONS DURING THE SEA- 

 SON WHEN WAVES DE- 

 CREASED IN HEIGHT BELOW 

 5 FEET. 



: 



- 









- 









1 



ii 100 



Z '" 



g 











- 



\ 















- 



° 70 



o 



C 60 



40 

 30 

 20 



-\ 















- 



- 



•.. 













- 



^^^ 



^^ 



'•••• 



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J 



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"l 1 1 



1 1 1 



1 1 1 



1 1 1 



1 1 1 



1 1 1 



1 1 1 



S 



20 40 60 



DURATION 



PERSISTENCE OF FAVORABLE 



00 120 140 160 180 200 220 240 260 280 300 

 (HOURS) 



SEAS «5, 8, 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 



1- 



9636 OBSERVATIONS 



— 













- 











18 AVERAGE NUMBER OF OC- 



- 



— 











CASIONS DURING THE SEA- 



— 



- 











SON WHEN WAVES ROSE 

 TO i FEET OR HIGHER. 



_ 



- 



















~ 



- 

















- 



















- 



















— 



















- 



















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^^^':: 



V... 



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-J. J. 1 



1 1 1 



1 1 1 



1 1 1 



- 



20 40 60 



100 120 140 160 180 200 220 240 260 280 300 

 DURATION (HOURS) 



PERSISTENCE OF UNFAVORABLE SEAS (§5, 8, 12 FT.) 



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10 20 30 40 50 60 70 80 90 100 





OCTOBER, NOVEMBER, DECEMBER 



-' 1 ' 



' 1 ' 



1 1 ' 



1 1 1 



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



T- 





ERVATIONS 



RAGE NUMBER OF OC- 



ONS DURING THE SEA- 



WHEN WAVES DE- 



- 



- 









28 AVE 

 CAS 

 SON 



- 









5 FEET. 











~ 



\ 















- 



-\ 















- 



A \ 















- 



- \ 



- \ 



\ '*• 













- 



"i 1 1 



1 1 1 



1 1 1 



1 1 1 













- 



1 1 1 



"iT:' 



•fl'V 



.y. 



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

 DURATION (HOURS) 



PERSISTENCE OF FAVORABLE SEAS «5, 8, 12 FT.) 



O , • 



1 1 1 



1 1 1 



1 1 1 



1 1 1 



1 1 1 1 1 1 1 1 1 I 1 1 



T- 



- 8903 OBSERVATIONS 



— 











- 









28 AVERAGE NUMBER OF OC- 



- 



— 









CASIONS DURING THE SEA- 



— 



- 









SON WHEN WAVES ROSE 



_ 



- 



















_ 



- 















- 



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— 



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^^'^.^. 



,.i..l.i., 



1 1 1 



1 1 i 



1 1 1 



~ 



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

 DURATION (HOURS) 



PERSISTENCE OF UNFAVORABLE SEAS (^5, 8, 12 FT.) 



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10 20 30 40 50 60 70 80 90 100 



