Nightcliff Boat Ramp Swell ForecastAustraliaNTDarwinNightcliff Boat Ramp1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIINightcliff Boat Ramp swell forecast issued today at 6:12 pm. Next forecast at approx. 6:12 pm.Get an account to remove ads