I find surf reports helpful. Here is a good source.
Surf Reports, Surf Forecasts and Surfing Photos
As for wind, I use NOAA, but this site is also supposedly useful (I've only just started using it and can't vouch for it myself)
FishWeather.com - MA- Cape Cod Wind Data
I use accuweather for radar stuff to judge thunderstorms/rain timing and track
Finally I often check a NOAA live buoy report close to where I will fish to see what the real conditions are before I leave the house.