NetSSE user guide# Contents# 1. Introduction 1.1. Background 1.2. Vision and aims 2. Fundamental theoretical concepts 2.1. Modelling the ocean wave environment 2.2. Wave-induced response of surface-floating marine vessels 2.3. Inverse methods for sea state estimation from vessel measurements 3. Usage 3.1. Summary of present functionalities 3.2. Outlook 4. Installation 4.1. Python version support 4.2. Installing NetSSE 4.3. Dependencies 5. Glossary 6. Future work