Rosemary Island Swell ForecastAustraliaWAPilbaraRosemary Island1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIRosemary Island swell forecast issued today at 10:09 am. Next forecast at approx. 10:09 am. Wave Height Sea TemperatureGet WillyWeather+ to remove ads