hahaha not taking anything away from forcasters or whatever the case may be but a 7 day forcast is damn near impossible to get a dependable outlook for surf on the east coast. im sure swellinfo will tell you the 5 day is hard enough. we live in SE NC, anytype of weather even is possible with out much warning. not so much earthquakes
it simply means 2 meters at 6 seconds 281 is the direction the wave is traveling not coming from. I'm sure swellinfo can 'splain it much better than I can, but that's the jist. The best way is to do the forecast yourself and cross reference it with this site or magicseaweed or what ever the eff else you like to use. There are tons of resources out there.