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NOAA Operational Forecast System OFS

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NOAA Operational Forecast System OFS


Certified enterprise ready

Forecasts to serve the maritime user community

Product type


Update frequency



Jul 31, 2022

Delivery method


The National Operational Coastal Modeling Program (NOCMP) develops and operates a national network of Operational Nowcast and Forecast Hydrodynamic Model Systems called the Operational Forecast System (OFS) for the maritime community. The OFS consists of the automated integration of observing system data streams, hydrodynamic model predictions, product dissemination and continuous quality-control monitoring.

The OFS dataset includes water level, water current, water temperature, water salinity (except for the Great Lakes) and nowcast and forecast guidance. Data is updated 4 times a day, every 6 hours starting at midnight and generates 6-hour nowcasts and 48-hour forecast guidance.

Source: Operational Forecast System, Center for Operational Oceanographic Products and Services


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