River Blackwater - Northey Island Rainfall ForecastUnited KingdomEEEssexRiver Blackwater - Northey IslandToday 19 Feb25%Fri 20 Feb65%Sat 21 Feb25%Sun 22 Feb55%Mon 23 Feb55%Tue 24 Feb20%Wed 25 Feb35%River Blackwater - Northey Island rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thurnham (Kent) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads