River Blackwater - Northey Island Rainfall ForecastUnited KingdomEEEssexRiver Blackwater - Northey IslandToday 20 Oct85%Tue 21 Oct30%Wed 22 Oct65%Thu 23 Oct55%Fri 24 Oct15%Sat 25 Oct5%River Blackwater - Northey Island rainfall forecast issued yesterday at 7:36 pm. Next forecast at approx. 9:36 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