Admiralty Tidal Stream Atlas: North Sea, Southern Part (NP251), 4th Edition 2005
The atlas contains 13 charts for The North Sea Southern Portion showing
tidal streams at hourly intervals. The times of HW Dover and other
details of the prediction for this area are given in The Admiralty Tide
Tables NP 201 -Search for NP 201.
Admiralty Tidal Stream Atlas: Approaches to Portland & England (NP257), 3th Edition 1973