For Level-2 OCN products, the swell spectra (OSW) are provided at a spatial resolution of 20 km by 20 km. The wind fields (OWI) and surface radial velocity (RVL) components have a spatial resolution of 1 km by 1 km (for SM/IW/EW). For WV, the results are average on the 20x20km grid, giving only 1 value by vignettes.
User Guides - Sentinel-1 SAR - Level-2 Ocean - Sentinel Online
Sentinel-1 SAR Level-2 Ocean
Sentinel-1 SAR User Guide Key Resources