Hudson River sailing turns out to be not that different then sailing in the L.I. Sound except that the tidal currents are generally stronger and the high cliffs and mountains that line the lower Hudson valley tend to make the wind a bit more erratic. We have been enjoying our Weds. night racing matches at NBC and judging the current of the river is one of the critical matters that a racing skipper needs to take into account.
Sometimes the shortest distance between two points is a straight line. Sometimes the shortest time sailing between two points is not a straight line. The currents, especially in a river can make or break your forward progress.