Mariners calling on the Port of New York/New Jersey will now have a new tool to assist them navigate safely through the harbor. water levels and current conditions. Administration (NOAA). the Port of New York/New Jersey. plots, and animations of water levels and currents. limiting passage times, without compromising safety. The system is run in both nowcast and forecast modes. System (PORTS(r)). times a day. numerical models. (CBOFS). the Port of Houston. meteorological and oceanographic data. Water Level Program, the national network of PORTS(r) in major U.S. harbors, and the National Current Program.