By Lenn Thompson, Executive Editor Local growers and winemakers are watching the weather closely this week to keep an eye on Hurricane Irene, which has a projected path up the eastern seaboard and over the East End of Long Island on Sunday into Monday. 2011 has been a good growing season on Long Island. It started slowly with a rainy, grey June, but has improved since with plenty of hot, sunny days and enough mixed in to combat any drought-related stress on the vines. Computer models aren't always reliable, but Hurricane Irene hitting wine country could have a serious impact…