Swellcast combines all weather data needed to forecast surf conditions for surfers around Australia, and consolidates the data into a user friendly interface that takes the complexity out of understanding when and where the next big wave will appear. Swellcast also offers the forecast data and surf conditions through the Swellcast API.
Just about every provider of a platform in the cloud is moving down the same path; albeit at different rates of speed. First they figure out that developers of third-party applications can drive more usage of their platform, so they publish a private API. However, it’s not too long before they figure out that making that API public winds up driving the most usage of their platform.