JANUARY, FEBRUARY, MARCH 



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- 3212 OBSERVATIONS 



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22 AVERAGE NUMBER OF OC- 



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CASIONS DURING THE SEA- 



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SON WHEN WAVES DE- 



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6 FE 



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22 AVERAGE NUMBER OF OC- 

 CASIONS DURING THE SEA- 

 SON WHEN WAVES ROSE 

 TO 6 FEET OR HIGHER. 



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

 DURATION (HOURS) 



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



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

 DURATION (HOURS) 

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



APRIL, AAAY, JUNE 



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- 3276 OBSERVATIONS 



11 AVERAGE NUMBER OF OC- 

 CASIONS DURING THE SEA- 

 SON WHEN WAVES DE- 

 CREASED IN HEIGHT BELOW 

 6 FEET. 



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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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11 AVE 

 CAS 

 SON 



RAGE NUMBER OF OC- 

 ONS DURING THE SEA- 

 WHEN WAVES ROSE 

 S FEET OR HIGHER. 



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

 DURATION (HOURS) 



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



FIGURE 3G FIVE FATHOMS BANK, N.J. 38°47.3'N., 74°34.6'W. 



