Input Parameters

Results

--
Tide Height
ft
--
Tidal Range
ft
--
Tide State
--
Current Rate
ft/hr

Reference

Rule of Twelfths: Rise/fall per hour = 1/12, 2/12, 3/12, 3/12, 2/12, 1/12 Total duration between HW and LW divided into 6 equal periods Valid for semi-diurnal tides only