There is little doubt that¬†Wolffer Estate Vineyard‘s rose is the unofficial wine of the Hamptons — or at least the Memorial Day-to-Labor Day Hamptons season. You’ll find it all over — on restaurant lists, at events, by the pool, at the beach and out on boats. It’s seemingly everywhere. And winemaker Roman Roth makes a lot of it — more than 17,000 cases this year, which dwarfs the total production of most Long Island wineries. Wolffer Estate Vineyard 2013 Rose ($17*) is made with 58% merlot, 24% chardonnay, 11% cabernet franc 6% pinot noir and 1% cabernet sauvignon and shows…