Semaphore Swell ForecastAustraliaSAAdelaideSemaphore1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISemaphore swell forecast issued today at 12:45 am. Next forecast at approx. 12:45 am.Get WillyWeather+ to remove ads