Marine Modeling and Analysis Branch
The United States Marine Modeling and Analysis Branch (MMAB) is part of the Environmental Modeling Center, which is responsible for the development of improved numerical weather and marine prediction modeling systems within NCEP/NWS. It provides analysis and real-time forecast guidance (1–16 days) on marine meteorological, oceanographic, and  cryospheric parameters over the global oceans and coastal areas of the US. Products include:
Ocean Waves
Sea ice
Marine Meteorology
Marine Winds - Satellite Remote Sensing
Coastal Ocean Visibility
Open Ocean Visibility
Vessel Icing
Sea surface temperature
Real-Time Ocean Forecast System

External links
http://polar.ncep.noaa.gov/

National Weather Service
Environment of the United States