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: 



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36 AVE 

 CAS 

 SOh 



RAGE NUMBER OF OC- 



ONS DURING THE SEA- 



WHEN WAVES DE- 



^SED IN HEIGHT BELOW 

 ET. 



- 









3 F 











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JANUARY, FEBRUARY, MARCH 



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

 DURATION (HOURS) 



PERSISTENCE OF FAVORABLE SEAS (<3, 6, 9, 12 FT.) 



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TH"^ 



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1440 OBSERVATIONS 



36 AVERAGE NUMBER OF OC- 

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 SON WHEN WAVES ROSE 

 TO 3 FEET OR HIGHER. 



I I i"r'i''l~»-L.i I 



_U 



20 40 60 



DO 120 140 160 180 200 220 

 DURATION (HOURS) 



PERSISTENCE OF UNFAVORABLE SEAS (§3, 6, 9, 12 FT. 



260 280 300 



10 20 30 40 50 60 70 80 90 100 



APRIL, MAY, JUNE 



2 - 



J 1 1 



1 1 1 



1 1 1 



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t 1 1 1 1 1 1 1 1 1 1 1 



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: 



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36 AVE 

 CAS 

 SON 



RAGE NUMBER OF OC- 

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 WHEN WAVES DE- 

 SED IN HEIGHT BELOW 

 ET. 



- 









3 FE 











"- 



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

 DURATION (HOURS) 



PERSISTENCE OF FAVORABLE SEAS (<3, 6, 9, 12 FT.) 



2 _ 



_l 1 1 



1 1 1 



1 1 1 



1 1 1 



1 1 1 1 1 1 1 1 1 



1 





BER OF OC- 

 G THE SEA- 

 AVES ROSE 



- 



- 









36 AVERAGE NUM 

 CASIONS DURIh 

 SON WHEN W 



- 





















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) 40 60 80 100 120 140 160 180 200 220 240 260 2 

 DURATION (HOURS) 



PERSISTENCE OF UNFAVORABLE SEAS (53,6, 9, 12 FT.) 



l""l"'T"T"'r"T"T"T"T' 



10 20 30 40 50 60 70 80 90 100 



P<l 



FIGURE 3B POLLOCK RIP, MASS. 4r36.1'N., 69°51.1'W. 



