Half Moon Bay (Jan Juc) Swell ForecastAustraliaVICBarwonHalf Moon Bay (Jan Juc)1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIHalf Moon Bay (Jan Juc) swell forecast issued today at 1:09 pm. Next forecast at approx. 1:09 pm.Get WillyWeather+ to remove ads