NOAA Tides:
http://tidesandcurrents.noaa.gov/noaatidepredictions/NOAATidesFacade.jsp?Stationid=8518091
Saltwater Tides:
http://saltwatertides.com/dynamic.dir/newyorksites.html
Tides 4 Fishing:
http://www.tides4fishing.com/us/new-york/rye
Stevens Institute (New):
http://hudson.dl.stevens-tech.edu/maritimeforecast/maincontrol.shtml