Black Head (The Blowholes) Swell ForecastAustraliaWAGreat SouthernBlack Head (The Blowholes)1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIBlack Head (The Blowholes) swell forecast issued today at 10:13 am. Next forecast at approx. 10:13 am.Get WillyWeather+ to remove ads