@dzuremar
As we know ECMWF's products are available to you.
Please keep in mind that there is a ECMWF product named "Sea surface temperature from HRES forecast" or SST.
It would be nice to have it in Windy (if is available to you) as it covers Black Sea and Caspian Sea (not available by NOAA).
0_1513176173185_f233fcb1-9754-4e06-adaf-df9363d23684-εικόνα.png