Grotta is a surf spot in Iceland. Its coast faces roughly west-northwest, so swell from the west-northwest reaches it most directly, and wind from the east-southeast 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.