River Blackwater - Northey Island Rainfall ForecastUnited KingdomEEEssexRiver Blackwater - Northey IslandToday 15 Dec10%Tue 16 Dec40%Wed 17 Dec50%Thu 18 Dec55%Fri 19 Dec10%Sat 20 Dec20%Sun 21 Dec10%River Blackwater - Northey Island rainfall forecast issued today at 12:39 pm. Next forecast at approx. 2:39 am.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