(MercuryNews) - There were big, block-lettered instructions on the chalkboard in the window of Brooklyn's Buschenschank bar this week: "Keep calm and drink on. We are open." Bottled water may be the official beverage on emergency grocery lists but many East Coasters were emphatic about ensuring an adequately stocked supply of beer and wine before the arrival of Hurricane Sandy. As early as Friday, vintner John Martini noticed an unusual rush on the wine he was selling at Jackson Heights Greenmarket in Queens. Every week for some 20 years, Martini has sold bottles of his label, Anthony Road, at one of the farmers' markets around New York City. This was unlike anything he'd seen. Martini said people were buying "a whole lot more," not quite double what he usually sells, and telling him it was because they wanted to be ready for the storm.