River Hamble - Swanwick Marina Rainfall ForecastUnited KingdomSEHampshireRiver Hamble - Swanwick MarinaToday 6 May50%Thu 7 May5%Fri 8 May5%Sat 9 May20%Sun 10 May20%Mon 11 May15%River Hamble - Swanwick Marina rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Dean Hill (Wiltshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads