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Ocean Model Current Areas

The NCEP Global Real-Time Ocean Forecast System (Global RTOFS) data is based on the U.S. Navy implementation of Global HYCOM.
Regional NCOM data is provided by the Naval Oceanographic Office (NAVO).

(Mouseover and click the desired area to view the valid Global Ocean Model Currents 0-72 hour forecast data)

***Attention*** NCOM Regional files with surface temperature and currents are available in GRIB2 format. See the link below.

For NCOM GRIB2 files with surface temperature and currents via ftp: https://ftp.ocean.weather.gov/grids/operational/NCOM/regional/GRIB2/

For NCOM Regional and Global RTOFS Data via the NCEP operational NOMADS server: http://nomads.ncep.noaa.gov

For archived NCOM Data: http://www.ncddc.noaa.gov/ocean-nomads/global-ncom/

For Data via Nomads GDS server: http://nomads.ncep.noaa.gov:9090/dods/ncom

Global RTOFS Model Information
The Global Real-Time Ocean Forecast System is based on NAVO's configuration of the 1/12 deg. eddy resolving global HYCOM model and is initialized daily with NAVO generated initial conditions using the NCODA system. Global RTOFS is forced with NCEP's operational GFS winds. For more details see: NOAA/NCEP/MMAB Global RTOFS Web Page

Regional NCOM Model Information

The Regional NCOM models have a resolution of 1/36 deg. (3 km). The U.S. Navy Operational Global Ocean Model (NCOM), developed by the Naval Research Laboratory (Barron et al, 1&2) and maintained by the Naval Oceanographic Office, provides boundary conditions for the regional models. The regional NCOM models found here include the U.S. East Coast (ncom_useast), The Southern California Coast (ncom_socal), Hawaii Coasts (ncom_relo_hawaii) and the Gulf of America and Caribaean Seas (ncom_relo_amseas). The Navy Coupled Ocean Data Assimilation System (NCODA) provides the data assimilation for NCOM including SSH, SST, and in situ observations. For more information about NCOM see:

Overview or NRL Press Release

NCOM Publications and Validation Test Report

References

1. Barron, C.N., A.B. Kara, H.E. Hurlburt, C. Rowley, and L.F. Smedstad, 2004: Sea surface height predictions from the Global Navy Coastal Ocean Model (NCOM) during 1998-2001. J. Atmos. Oceanic Technol., 21(12), 1876-1894.

2. Barron, C.N., A.B. Kara, P.J. Martin, R.C. Rhodes, and L.F. Smedstad, 2006: Formulation, implementation and examination of vertical coordinate choices in the global Navy Coastal Ocean Model (NCOM). Ocean Modeling, 11, 347-375, doi:10.1016/j.ocemod.2005.01.004.

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Page last modified: Monday, March 16, 2026 17:44:18 UTC

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