213 NZUS66 KEKA 211656 CWDEKA DISCUSSION FOR COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE EUREKA, CA 856 AM PST THU FEB 21 2013 PZZ400-212300- 856 AM PST THU FEB 21 2013 .SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...NORTHERLY WINDS WILL REMAIN RATHER STRONG TODAY SOUTH OF CAPE MENDOCINO BUT SLACKEN TONIGHT INTO FRIDAY AS A COUPLE OF WEAK FRONTS PASS BY TO THE NORTH. SEAS WILL BUILD SLIGHTLY ONCE AGAIN TONIGHT WITH A MORE SIGNIFICANT WAVE SYSTEM EXPECTED SATURDAY. $$