Looking at Bournemouth and it appears that the tidal times (High and low) are only 2.5 hours apart. Have copied the official tide times for today and after making changes for UTC/GMT there are significant differences.!
https://www.tidetimes.org.uk/bournemouth-tide-times

@ivo So after that I will no longer have access to this wonderful app unless I buy a new android tablet. That's expensive!

Re: Help us to test new Android App
I have Android 4.4.2 on my Samsung Tab 3. Does this mean that it won't work with Windyty when the new app is launched? That would be very bad news for me as I rely on it for many uses, not least passage planning on a boat.