Time Series

• Newbold
• Burlington
• Tacony-Palmyra Bridge
• Philadelphia, PA
• Marcus Hook, PA
• Delaware City, DE
• Reedy Point
• Baker Range Buoy 4B
• Atlantic City
• Ship John Shoal
• Joe Flogger Shoal
• Brandywine Shoal Light
• Cape May, NJ
• Brown Shoal Light
• Entrance to Delaware Bay
• 20 mi E of Cape Henlopen
• Lewes, DE
• Cape Henlopen

Map Animations

Water Level

• Nowcast
• Forecast Guidance

• Nowcast
• Forecast Guidance

• Nowcast
• Forecast Guidance

• Nowcast
• Forecast Guidance

• Nowcast
• Forecast Guidance

DBOFS Model Graphics Archive

Model NetCDF archives:
CO-OPS OPeNDAP server
THREDDS Data Server

Model Status

Download OFS Grid and Datum Files

Model Publications

Return to Operational Forecast System

Delaware Bay PORTS^®

Delaware Bay Operational Forecast System (DBOFS)

(Please click on the map pins below to access the time series plots)

Water Level	Wind	Water Temperature	Salinity	Currents
(Please click on the categories below to access animated map plots)
Nowcast	Nowcast	Nowcast	Nowcast	Nowcast
Forecast Guidance	Forecast Guidance	Forecast Guidance	Forecast Guidance	Forecast Guidance

For decades, mariners in the United States have depended on NOAA's Tide Tables for the best estimate of expected water levels. These tables provide accurate predictions of the astronomical tide (i.e., the change in water level due to the gravitational effects of the moon and sun and the rotation of the Earth); however, they cannot predict water-level changes due to wind, atmospheric pressure, and river flow, which are often significant.

DBOFS was developed in a joint project of the NOAA/National Ocean Service (NOS)/Office of Coast Survey, the NOAA/NOS/Center for Operational Oceanographic Products and Services (CO-OPS), and the NOAA/National Weather Service (NWS)/National Centers for Environmental Prediction (NCEP) Central Operations (NCO) using Rutgers University's Regional Ocean Modeling System (ROMS). DBOFS generates water level, current, temperature and salinity nowcast and forecast guidance four times per day. Aerial animations of the whole Delaware Bay as well as time series at particular stations or points of interest are available for 20 locations for the five parameters (water level, currents, temperature, and/or salinity).

DBOFS runs on NOAA's High Performance Computers (HPC) in a new Coastal Ocean Modeling Framework (COMF) developed by CO-OPS. As a result, DBOFS has direct access to NWS operational meteorological products that it needs to run reliably.

DBOFS is based on a three-dimensional, high resolution model and with the added reliability of running at NOAA's HPC, DBOFS will assist U.S. port authorities and mariners in efficiently navigating the Delaware Bay without compromising safety.

For more detailed information about DBOFS, please click here.

For more information about ROMS, please click here.