Well I guess my professors in literature were wrong when they were saying to me that greek is one of the most difficult languages in the world,with one of the biggest width of words and meanings

This depends on where the watch is located... I had a watch once that I bought in a Surf Shop that could be programed like this too. Rip-Curl was the manufacturer I believe. I ended up leaving it in hotel room , never to be found. For it to be precise you had to also know your longitude and latitude as this event changes in progression up and down a coast as well as further inland.


To help illustrate these relative changes mikemorrison ported a program called XTide over to Maemo called gtktide that I used extensively this past summer with no complaints. It is an excellent effort. A version for the N900 is also now available in the "testing" repos I believe.

Besides Gidget an Moondoggie , owners of fixed keel or deep draft boats could use the features your watch provides in determining the best time to pass through their harbors inlet.