I can't believe it took me until today to find this tool. AMAZING.
I am a pilot and a boater, and have been looking for aviation weather, general weather forecasts, and wave / wave forecasts in one easy to use, super-cool tool and BAM! Here is it....
Hopefully you have found a way to monetize and keep Windy dev going strong and rolling out new features, fixing bugs etc.... After an exhaustive search (probably just me) there doesn't seem to be a way for a user to send some financial assistance. I love the FREE model, however every once in a while something free is so fantastic you don't mind paying.
Let us all know how to chip in if you are accepting donations for the cause ??