Company Boating Resources US created these great apps:
Alaska Currents by Date +Local, AlaskaTides Hi-Lw Date and GPS, East Coast Current Date&Locat, East Coast Tides by Date-Locat, East Cst Planr +Currents+Tides, Gulf Currents Date & Location, Gulf Tides - Date and Location, Gulf Trip Plan w/Current+Tides, Pacific Currents Date Locatio, West Cst Tides Date and Locatn, West Cst Planr Currents +Tides, Alaska Trip Plan CurrentsTides, and others..
