There are many places that forecast surf.
Why not start with a global view and work your way to more detail?
To understand surfing forecasts:
winhelp.com.au/makesurf
Get a Forecast
Search for your local forecast using the surfing site search:
surfingsites.net
Enter the name of the surf beach that you want to know about. If it is 2 words or more use quotes around the words.
Press the Forecast button in the search results.