Astronomic tidal predictions are based on a harmonic analysis of one year of observations in the bay. Average (selected members) All members Comparisons with other models NOAA.NCAR.WRF.ARW.Hires NOAA.NCEP.WRF.FV3.Hires NOAA.NCEP.NEMS.NMMB.NEST NOAA.NCEP.WRF.NMM.NAM NOAA.NCEP.WRF.ARW.HRRR NOAA.NCEP.WRF.ARW.RAP SBU.WRF.ARW.GFS SBU.WRF.ARW.NAM Tides only (grid "2", 2D) Tides only (grid "GSB v4")