NP219 Admiralty Tidal Stream Atlas Portsmouth Harbor and Approaches, 2nd Edition 1991

NP219 Admiralty Tidal Stream Atlas Portsmouth Harbor and Approaches, 2nd Edition 1991

Admiralty Tidal Stream Atlases display, in diagrammatic form, the major tidal streams for selected waters of north-western Europe, including direction and rate at hourly intervals. Graded arrows illustrate Mean, Neap and Spring tidal rates in tenths of a knot. There is also a diagram to help you calculate the tidal stream rate for a given date.

NP219

Publication Details

• Number NP219 
• Title Portsmouth Harbour and Approaches 
• Sub Title n/a
• Type Tidal Publications 
• SubType Admiralty Tidal Stream Atlases 
• Edition No 2 
• Pub Year 1991