v2.2
fix force close on some Xperia devices
v2.1
improved options for displaying DST
chart now shows full time / tide grid
tap-and-hold helper line on chart now allows dragging and shows tide level
v2.0
overdue face-lift edition, improvements to UI and Android 5 support
fix missing tide information and order of low / hi tides on tide info screen
Note: data may be out of date & not all ports are available, please do not ask for more ports unless you can provide the harmonics file.