At a glance both direction and rate of tidal streams at hourly intervals by careful and accurate use of graded arrows
Display mean neap and spring tidal rate in tenths of a knot
Include a diagram to assist you to calculate the tidal stream rates for your required day
Pb. A4 30pp
Admiralty Leisure Folio SC5613 - Irish Sea Eastern Part, including the Isle of Man. Folio of 23 Admiralty nautical charts in a plastic wallet.