Na'ia Lagoon Swell ForecastUnited StatesHIHonoluluNa'ia Lagoon1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIINa'ia Lagoon swell forecast issued today at 7:47 pm. Next forecast at approx. 7:47 pm.Get an account to remove ads