Waialua Bay Rainfall ForecastUnited StatesHIHonoluluWaialua BayToday 18 Apr55%Sat 19 Apr50%Sun 20 Apr50%Mon 21 Apr50%Tue 22 Apr75%Wed 23 Apr75%Thu 24 Apr75%Waialua Bay rainfall forecast issued today at 3:05 pm. Next forecast at approx. 5:05 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Molokai RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads