Fleet Numerical Meteorology and Oceanography Center
The Fleet Numerical Meteorology and Oceanography Center (FNMOC) is an echelon IV component of the Naval Meteorology and Oceanography Command (NMOC), which provides worldwide meteorological and oceanographic data and analysis for the United States Navy and strategic allies of the United States. The center is based out of Monterey, California.
Source: Wikipedia — Fleet Numerical Meteorology and Oceanography Center (CC BY-SA 4.0)