I was just wondering if you've managed to make any progress on this project? I recently created https://www.extremesportsearch.com/ which is a crowd-sourced project for extreme sport locations around the world. I can sympathise how hard it is to get users to collaborate, and I think that your creative commons approach is probably favoured by most.
My understanding is that you want a small web application and database residing on your servers, with all of the code open-source and hosted on GitHub. I'm very happy to collaborate with you on this and can easily create an application for you. I'm based in the UK and available to talk next week if you're interested.
All the best,
Wind wave = wave generated by wind
Swell = wave that has moved outside its area of generation
At any given state, there may be multiple series of waves at your location. The wind could be blowing very hard at your location, creating wind waves. A strong cold front could be moving across the ocean, generating waves that will later arrive at your location and in the opposite direction of the wind waves. A third, or fourth swell could also be present.