Koh Phangan is a surf spot in Thailand. Its coast faces roughly east-southeast, so swell from the east-southeast reaches it most directly, and wind from the west-northwest blows offshore. The shore bends here, so the facing is a rough guess; you can set your own in the forecast.
Ripple puts the swell, wind and tide forecasts of a dozen models side by side for the next 16 days, so you can see where they agree. Free, no ads, no account.