Table 15 

 Mean Longshore Surface Currents* 















Pier End, cm/sec 



Pier Midsurf, cm/sec 

 1980- 



Beach, 



cm/sec 





1980- 



1981- 



Month 



1986 1986 



1986 1986 



1986 



1986 



Jan 



12 21 



16 22 



11 



16 



Feb 



29 19 



30 9 



28 



13 



Mar 



17 14 



17 13 



4 



13 



Apr 



19 10 



13 1 



11 



6 



May 



12 9 



12 -5 



-5 



-2 



Jun 



1 1 



-25 -13 



-14 



-7 



Jul 



8 1 



-19 -19 



-2 



-11 



Aug 



11 7 



-24 -16 



-9 



-6 



Sep 



6 10 



-20 -1 



-10 



2 



Oct 



16 11 



9 6 



8 



7 



Nov 



14 12 



10 7 



15 



11 



Dec 



22 14 



16 16 



17 



9 



Annual 



14 



+ = southward; - = northward. 



NORTH 



PIER END 



YEAR MEAN,cm/s 



86 13.9 



80-86 10.6 



JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 

 MONTH 



Figure 25. Monthly mean currents at the pier end 

 57 



