CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 5 



SYMBOLS AND DEFINITIONS 6 



I INTRODUCTION 7 



II DEFINITION OF WAVE HEIGHT 7 



III APPROACH 8 



IV COMPARISON OF PREDICTIONS WITH MEASUREMENTS 8 



V EVALUATION 15 



VI SUMMARY 17 



LITERATURE CITED 18 



FIGURES 



1 Wave gage H s and spectra plots for three wave conditions: swell 



(3 September, 1500), sea (13 September, 1200) and H Q > 1.8 meters 



(13 September, 2100) 9 



2 Plot comparing irregular wave technique predicted wave height, 



H s -pred» with measured H s -obs ^ or ent ire data set 11 



3 Plot comparing H s _ pre( j with H s _ b s for sea wave cases 12 



4 Plot comparing H s _ prec i with H s _ bs for swell wave cases 13 



5 Plot comparing H s _ pre< j with H g _ obs for H > 1.8-meter cases .... 14 



6 Plot comparing predicted wave height by SPM technique, HgpM» with 



measured wave height, H s _ obs 16 



