What happens when the wind comes from the east on The Great South Bay? The water is pushed west. The eastern part of the bay starts to empty out, while, as you will see, the water piles up in the west. This slide show presents what Bellport Bay, on the Eastern Great South Bay, looks like during a strong easterly wind (slides 2-10, courtesy Michael Busch) and what the results are in Lindenhurst (slides 11-12, courtesy Michael Patrick.