CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) . . » . 6 



SYMBOLS AND DEFINITIONS . 7 



I INTRODUCTION 9 



II WAVE FORECASTING CURVES . „ „ „ . » . o . 9 



III CALCULATION OF ADJUSTED FETCH ...... 10 



1. Determination of Friction Factor „ . . 23 



2. Selection of Fetch Segment ..„. ..<... .o. . 27 



3. Adjiistment of Fetch Length 28 



IV WAVE GROWTH IN SHALLOW WATER. .............. 30 



V WAVE DECAY IN SHALLOW WATER » . . 36 



1. Wave Height 37 



2. Wave Period 38 



VI SUMMARY AND CONCLUSIONS . . . . . . . . . . 41 



LITERATURE CITED 42 



FIGURES 



1 Forecasting curves for wave height. 11 



2 Forecasting curves for wave period . . . . 12 



3 Forecasting curves for shallow-water waves (constant depth, 



5 feet) o .... . 13 



4 Forecasting curves for shallow- water waves (constant depth, 



10 feet) 14 



5 Forecasting curves for shallow-water waves (constant depth, 



15 feet) . 15 



6 Forecasting curves for shallow-water waves (constant depth, 



20 feet) 16 



7 Forecasting curves for shallow-water waves (constant depth, • 



25 feet) 17 



8 Forecasting curves for shallow-water waves (constant depth, 



30 feet) 18 



9 Forecasting curves for shallow-water waves (constant depth, 



35 feet) » » 19 



4 



