NAUTIDE: tides, wind, waves, solunar, marine – a weather project that interacts with more than 10,000 coastal stations. This provides users with only up-to-date information about how they are going on the shore. The app is useful for a very wide range of people. Tourists, photographers, surfers, fishermen, swimmers and many, many other categories will be happy to use the functionality while planning their future actions. There are also tables, graphs, averages, forecasts, and everything else that will make the picture of natural phenomena even more complete and multifaceted.