
This package provides the code and derived data needed to reproduce the analysis in the article "Metocean Design Environment and Marine Operational Accessibility for Offshore Wind Development in Southern Vietnam: A 44-Year ERA5-Based Assessment" by Thai Hoang Pham, Gia Huy Dinh, and Manh Hung Nguyen (submitted to Ocean Engineering). It contains the Python processing scripts and small derived output files — gridded wind/wave statistics, GEV extreme return levels, IFORM contours, weather-window and CTV/SOV accessibility, and Wind–Logistics Score priority zones — over the offshore domain 7.0–12.5°N, 102.0–110.0°E at 0.25° resolution. Raw ERA5 (C3S/ECMWF, 1979–2022 waves / 2013–2022 winds) and GEBCO 2023 bathymetry are not redistributed; the scripts and README fully specify how to re-download identical open data.