In Situ Water Quality Measurements for ML for Temporal Assessment in a Shallow Coastal Lake

This dataset contains georeferenced in situ water quality measurements collected in Vrana Lake (Croatia) during two monitoring periods: July 2023–July 2024 and May–December 2025. The dataset is provided in ESRI Shapefile format (EPSG:32633 – WGS 84 / UTM zone 33N) and includes point locations of monitoring stations together with associated water quality attributes.