Long Nab Swell ForecastUnited KingdomYHNorth YorkshireLong Nab1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIILong Nab swell forecast issued today at 6:51 am. Next forecast at approx. 6:51 am. Wave Height Sea TemperatureGet WillyWeather+ to remove ads