JANUARY, FEBRUARY, MARCH 



1 { 1 



1 1 1 



1 1 1 



1 1 1 



1 1 1 1 1 1 1 1 1 







BER OF 00 

 G THE SEA- 

 WAVES DE- 



- 



'7 









32 AVERAGE NUM 

 CASIONS DURIK 

 SON WHEN 



- 









3 FEET. 











- 

















- 



- \ 















- 



_ ^ 















- 



- *'• 















- 



'1 1 1 



--~ 



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 — t-si 



■**«?.— 









-Z 



1 1 ( 



1 1 1 





Pt'r 





-<4-t- 



— * — 



40 60 



220 



100 120 UO 160 1 

 DURATION (HOURS) 



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



260 280 300 



1 1 1 



1 1 1 



1 1 1 



1 1 1 



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





lOeO OBSERVATIONS 



— 











- 









32 AVERAGE NUMBER OF OC- 

 CASIONS DURING THE SEA- 

 SON WHEN WAVES ROSE 



- 



- 



















- 



- 















- 



-\ 















_ 



lA 















~ 



\ 















- 















- 



\ 















_ 



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— 





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- 



















^ 



\ 













J 





\ 













- 



1 T^rilt-L'Ju ..i J.-L 



TIt- 



^,U 



-ij 1 



1 1 1 



1 



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

 DURATION (HOURS) 



PERSISTENCE OF UNFAVORABLE WAVES (^3,6, 9, 12 FT.) 



^ 



llll|llll|UII|llll|llll|llll|llll|llll|llll|Tl 

 O 10 20 30 40 50 60 70 80 90 100 



APRIL, MAY, JUNE 



J 1 1 



1 1 1 



1 1 1 



1 1 1 



1 , 1 1 1 1 1 1 I 1 I 1 





1092 OBSERVATIONS 

 32 AVERAGE NUMBER OF OC- 

 CASIONS DURING THE SEA- 

 SON WHEN WAVES DE- 

 CREASED IN HEIGHT BEIOW 

 3 FEET. 



- 



- 









- 

















" 

















- 

















- 



\ 



- \ 



\ 













- 



-X '•• 



\ 



•s^ 











- 



1 1 1 



1 1 I 



1 1 1 



^.r^... 



Tl,»-. 



— -*.ajj 



ii-.'-li 



..■^ 



1 1 1 



1 i 1 



, 1 1 



, \f 



1 



10 100 120 140 160 180 200 220 240 26( 

 DURATION (HOURS) 



OF FAVORABLE WAVES (<3,6, 9, 12 FT.] 



1 1 1 



1 1 1 



' 1 ' 



' 1 ' 



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





1092 OBSERVATIONS 



— 











- 









32 AVERAGE NUMBER OF OC- 



- 



— 









CASIONS DURING THE SEA- 



— 



- 









SON WHEN WAVES ROSE 



— 



- 



















_ 



- 















- 



4 















- 



:f 















~ 



-I 















- 



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- 



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- 



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_; V 















_ 



f. ^' 















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Vr 

















1 1 1"* 





:r+-^ 



.1 1 1 



1 1 1 



1 1 1 



1 1 1 



^ 



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

 DURATION (HOURS) 

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



I""I""I""I""I""I""I"'t'"I""I*I 



10 20 30 40 50 60 70 80 90 100 



FIGURE 3D BUZZARDS BAY, MASS. 41°24.0'N., ZrS.O'W. 



