Skim East - The official homepage for the Skim East Association which runs most of the contests on the East Coast.

Surf Forecasting

Surfline.com  -  Now offering their famously accurate forecasts for free online.

Wetsand Wavecast - Detailed wave reports and forecasting for California.  They also have a free service that sends you an email daily about the current reports and conditions.  Very Cool.

Buoy Weather - A great site that gives you free swell predictions.

La Jolla Surfing - Largest quality list of swell and marine weather prediction sites I have found.

Channel 2000 - Provides Southern California surf forecasting for the next two days.  Pretty good site if you live in the greater Los Angeles area.

Surf Reports

Surfline.com - Provides current wave conditions in much of the world with links to surf cams in many areas.

Weather Reports/Forecasting

Weather.com  -  In my experience, this site from The Weather Channel gives the most accurate and easiest to use weather forecasts.

National Hurricane Center - Keep track of wave producing storms.

Other Stuff

Tides Online - Gives you free tidal predictions.

Anthony's Board Building Links - Provides links to pages all over the internet that tell you how to build surfboards, bodyboards and skimboards (although there are only 2 skimboard sites).

Shop Mechanic - A great place online to buy supplies for ding repairs and making boards.

Translations

Babelfish  -  This site from altavista provides free translations of web pages.  Languages supported include: Spanish, French, German, Italian and Portuguese.