-.f ^:^:>«^»^fe^ : . -^ 





-*. WIDE 



SURF ZONE 



POINT '">' -^ 



NARROW 

 SURF ZONE V^- 



Halfmoon Boy, Colifornia 



Note the increosing widtti of ttie surf zone witti increasing degree 

 of exposure to ttie soutti 



Purisimo Pt, , Cclifornio 



Refraction of woves oround a heodtand produces low woves and 

 a norrow surf zone wtiere bending is greatest 



{Wiegel,l953) 



Figure A-5. Refraction of Waves. 



A-48 



