Tidal Stream Atlas NP256 : Irish Sea Bristol Channel
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Tidal Stream Atlas NP256 Irish Sea Bristol Channel
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.