WAVE HEIGHT OBSERVATIONS P=PLUNGING S=SPLLING TIME X=SURGING BEGAN     MIN     Sec P P P P P S S S S S X X X X X SURF OBSERVATION REPORT SUROB   NO BEACH DAY-TIME OF OBSERVATION ALFA PT SIGNIFICANT  BREAKER=AVERAGE  OF  HIGHEST  ONE-THIRD TO NEAREST HALF FOOT BRAVO P T MAXIMUM   BREAKER=NEAREST   HALF   FOOT CHARLIE PT PERIOD=FIVE  TENTHS;  OF  A  SECOND DELTA PLUNGING SPILLING SURGING BREAKER  TYPE=PERCENT  APPLICABLE ECHO TOWARD FLANK RIGHT/LEFT (SEE NOTE) BREAKER  ANGLE=ACUTE  ANGLE  THAT  BREAKER MAKES  WITH  BEACH FOXTROT PT KT TOWARD FLANK RIGHT/LEFT (SEE NOTE) LITTORAL CURRENT=MEASURED TO NEAREST TENTH OF A  KNOT  1  KNOT=100  FT  PER  MINUTE GOLF TO LINE IN F T SURF ZONE SURF    ZONE=PREDOMINANT NUMBER OF BREAKER IN AND WIDTH OF HOTEL PERTINENT    REMAKRS=WIND-WEATHER-VISIBILITY SECONDARY  WAVE  SYSTEM,  ETC AGM21403 TIME  ENDED MIN S E C WAVE PERIOD COMPUTATION ELAPSED TIME MIN SEC TOTAL SECONDS= = =  CHARLIE 100 NOTE:   (ECHO-FOXTROT) RIGHT OR LEFT FLANK AS SEEN FROM SEAWARD WAVE  HIGHT  COMPUTATION FOR HIGHEST 33 WAVES HEIGHT X     OCCURRENCE=PRODUCT X = X = X = X = X = X = TOTAL = = = ALFA 33 Figure  4-3.—SUROB  worksheet. Figure 4-4.—Estimating breaker height from beach. 4-5