Helford River - Porthnavas Creek Entrance Rainfall ForecastUnited KingdomSWCornwallHelford River - Porthnavas Creek EntranceToday 1 Feb5%Mon 2 Feb90%Tue 3 Feb50%Wed 4 Feb40%Thu 5 Feb50%Fri 6 Feb35%Sat 7 Feb45%Helford River - Porthnavas Creek Entrance rainfall forecast issued today at 6:39 pm. Next forecast at approx. 8:39 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Predannack (Cornwall) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads