JULY, AUGUST, SEPTEMBER 



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- 6624 OBSERVATIONS 



10 AVERAGE NUMBER OF OC- 

 CASIONS DURING THE SEA- 

 SON V/HEN WAVES DE- 

 CREASED IN HEIGHT BELOW 

 6 FEET. 



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20 40 60 



} 120 140 160 180 200 220 240 260 280 300 

 DURATION (HOURS) 



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



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10 AVE 

 CAS 

 SOK 

 TO 



RAGE NUMBER OF OC- 

 ONS DURING THE SEA- 

 WHEN WAVES ROSE 

 i FEET OR HIGHER. 



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

 DURATION (HOURS) 



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



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10 20 30 40 50 SO 70 80 90 100 



OaOBER, NOVEMBER, DECEMBER 



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17 AVE 

 CAS 

 SOh 



RAGE NUMBER OF OC- 

 ONS DURING THE SEA- 

 WHEN WAVES DE- 

 kSED IN HEIGHT BELOW 

 ET. 



- 









6 FE 











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:0 40 60 80 100 120 140 160 180 200 220 240 260 280 300 

 DURATION (HOURS) 



PERSISTENCE OF FAVORABLE SEAS « 6, 9, 12 FT.) 





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RVATIONS 



RAGE NUMBER OF OC- 

 ONS DURING THE SEA- 

 WHEN WAVES ROSE 

 b FEET OR HIGHER. 



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30 



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17 AVE 

 CAS 

 SON 



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) 40 60 80 100 120 140 160 ISO 2 

 DURATION (HOURS) 



PERSISTENCE OF UNFAVORABLE SEAS 



220 240 260 280 300 



6, 9, 12 FT.) 



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 10 20 30 40 50 60 70 80 90 100 



43 



