Fleet Numerical

 ______________________________________________About Us


The Navy’s Operational Numerical Weather Prediction (NWP) Center, providing weather and ocean prediction products in support of Fleet Safety and Warfighting Effectiveness.
Operates the Nation’s only global NWP model protected from cyber terrorism and cyber warfare attack to
DoD Information Assurance (IA) standards .
Possesses world-class expertise in meteorology, oceanography, climatology, computer science, and military operations. Operational Capabilities.

 Operational Capabilities


Dedicated climatology team provides tailored products and data in support of mission planning and execution at all classification levels up to top secret/sensitive compartmented information (TS/SCI).

Graphical and text-based weather and ocean prediction products, tactically enhanced weather satellite imagery, and related tactical decision aids and data on Navy computer systems.

The Navy’s only supercomputer and high-performance data distribution system dedicated to operations, the Primary Oceanographic Prediction System .

Expert modelers provide on-demand custom model solutions at resolutions up to 1.66KM at all classification levels in support of global operations.

One of a kind 60 member ensemble available for high value/high interest operations


World-class Modeling



  • Navy Global Environmental Model (NAVGEM)
  • Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS) – capable of resolutions up to 1.66KM.
  • Navy Atmospheric Variational Data Assimilation System (NAVDAS)
  • Navy Aerosol Analysis and Prediction System(NAAPS)
  • Geophysical Fluid Dynamics Navy (GFDN) - tropical cyclone model
  • COAMPS-TC - tropical cyclone model                                                                                                                   
  • Wave Watch 3 (WW3) - Ocean Wave Model
  • Navy Coupled Ocean Data Assimilation (NCODA) System
  • Ensemble Forecast System (EFS) – Up to 16 day forecasts of atmospheric and oceanographic conditions
  • Scheduled and on-demand products specific to Fleet and Joint operations
  • Strategic climatological products tailored for long range mission planning
  • Worldwide meteorological and oceanographic data assimilation (assimilating ~10 million observations daily)
  • Atmospheric forcing to drive all Navy ocean and acoustic models


Command Relationships


Co-located and closely partnered with the Marine Meteorology Division of the Naval Research Laboratory, a model for successful transition of research into operations.

Benefits from association with the Naval Postgraduate School, particularly in the areas of meteorology, oceanography, information technology, and operations research.

Partnered with the Naval Oceanographic Office for ocean modeling support and collaboration.

Partnered with National Weather Service and Air Force for backup and collaboration.

Contributor to the National Unified Operational Prediction Capability (NUOPC).