Note 18 — Chapter V · SEVERN AND WYE

The Sailing Directions for the West Coast of England, published by the Hydrographic Department of the Admiralty, says:—“Depths: There is a depth of about 46 feet in the river to Chepstow at high water springs, and 36 feet at high water neaps.” “Tides: It is high water, full and change, at Chepstow at 7 h. 30 m. local or 7 h. 41 m. Greenwich time; mean springs rise 38 feet and neaps 28½ feet. The tide has, however, been known to rise as high as 56 feet.” (E.A.O.)