Chapter Headings:Periodic Wave Pattern: the approach of differential calculus. Periodic Wave Pattern: the control volume approach. Wave Effects on Coasts. Wind Generated Waves: basic concepts. Analysis of the Sea States: the time domain. The Wave Climate. Design Waves and Risk Analysis. Analysis of the Sea States in the Space-Time. The Theory of Quasi-Determinism. Uses and Consequences of the Quasi-Determinism Theory. Analysis of the Wave Forces on Offshore Structures. Calculation of the Wave Forces on Offshore Structures. Stability Analysis of Coastal Structures. Topics Calling for an Overall Overview of Offshore and Coastal Engineering.