Windspeed(M/H) 



Longshore Current 

 (ff/s) 



Predicted Tide 

 above MSL (ft) 



MSL Position (ft) 



0.5 







Volume Change -0-5 



(ydVft) .,.5 



-2.5 



Profile Line I 



Profile Line H 



Profile Line III 



Profile Line H 



(Ooshlines : no data ) 



0000 



600 



1200 1800 2400 

 Time (hr) 



600 



Figure 64. Three-hourly observations, 1 and 2 

 February 1973, Boca Raton. 



93 



