Black Sea Waves Analysis and Forecast (CMEMS BS-Waves, EAS4 system)

The wave analysis and forecasts for the Black Sea are produced with the third generation spectral wave model WAM Cycle 6. Analyses and ten days forecast are produced every day on the HPC at Helmholtz-Zentrum Hereon. The shallow water Black Sea version is implemented on a spherical grid with a spatial resolution of about 2.5 km (1/40° x 1/40°) with 24 directional and 30 frequency bins. The number of active wave model grid points is 74518. The model takes into account depth refraction and wave breaking and provides a ten days forecast with one-hourly output once a day. The atmospheric forcing is taken from ECMWF analyses and forecast data. Surface currents and sea surface height from BLKSEA_ANALYSIS_FORECAST_PHYS_007_001 are one-way coupled and taken into account in WAM. Monthly statistics are provided operationally following the CMEMS metrics definitions.