Glenelg Offshore Swell ForecastAustraliaSAAdelaideGlenelg Offshore1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIGlenelg Offshore swell forecast issued yesterday at 11:44 pm. Next forecast at approx. 11:44 pm.Get WillyWeather+ to remove ads