CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 8 



SYMBOLS AND DEFINITIONS 9 



I INTRODUCTION 1 1 



1. Objectives 11 



2. Previous Reporting on Texas Coast Inlets 11 



3. Summary of Factors Affecting Texas Coast Inlets 12 



II TIDAL CHARACTERISTICS 13 



1. Definitions of Tide Variations 13 



2. Seasonal Variability in Tidal Range and Level 13 



3. Annual Variability in Tidal Range and Level 15 



III HYDRAULICS AND STABILITY OF SPECIFIC INLETS 15 



1. Brazos River-Freeport Harbor Entrance 15 



2. San Luis Pass 28 



3. Galveston Bay Entrance 49 



^. Rollover Pass 66 



5. Sabine Pass 77 



IV SUMMARY 90 



1. Tide Characteristics 90 



2. Freeport Entrance 91 



3. San Luis Pass 92 



4. Galveston Bay Entrance 92 



5. Rollover Pass 93 



6. Sabine Pass 93 



LITERATURE CITED 95 



APPENDIX MONTHLY TIDAL RANGE DISTRIBUTION, GALVESTON BAY, 1974 99 



TABLES 



1 Amplification factors for long waves ^ 27 



2 San Luis Pass tidal ranges 41 



3 Tidal lags in San Luis Pass system 41 



4 San Luis Pass hydraulic characteristics 43 



5 Mean tidal prisms in San Luis Pass, July and August 1969 44 



6 Galveston Bay entrance hydraulic characteristics 65 



7 Tidal ranges and tidal lags. Rollover Pass 70 



8 Tidal lags. Rollover Pass 70 



9 Summary of Rollover Pass hydraulic data 73 



10 Tidal ranges, Sabine Pass, Texas 81 



11 Tidal lags in Sabine Pass system, 23 July-5 August 1962 83 



12 Discharges through Sabine Pass ranges, 18-23 July 1962 85 



