I love this , btw good with nodebb if u need help
Suggestion: Have 2 bits of data at the same time. Would be popular with fisherman. i.e. being able to see wind and swell on the map at the same time
SUGGESTION 2: Can it keep real-time updates of data, i.e. refresh and update as the time changes
SUGGESTION 3: Animation effect that moves the wind arrows/lines when the data updates and changes.