It's about ten knots, which is enough to keep life at the beach comfortable and add a little chop but not screw things up completely. Now, look around the graphic a bit. And down to the south, off Long Island, you see the shafts with a direction, but half a flag or no flag at all. Hardly any wind, in other words. Notice how the numbers get lower as they go to the North and West.
Offshore winds are good .
For a few ways to use buoys to track swells and figure out where they are coming from, click here .