Admiralty Tidal Stream Atlas: North Sea, North Western Part (NP252), 2005 Edition
The atlas contains 13 charts for The North Sea North Western Part
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