Imray Chart C25 : Harwich to River Humber and Holland

Plans included: Oudeschild (1:15 000) Den Helder (1:21 000) IJmuiden (1:35 000) Scheveningen (1:10 000) On this 2017 edition the latest depth surveys have been included. The developments at Ijmuiden are included. The latest wind farm information is shown across the chart. The chart specification has been improved to show coloured light flashes. There has been general updating throughout.