On August 18, 2015 NCEP will discontinue their ftp (FTPPRD) server. At
that time, all data that were available via FTPPRD will only be
available on the NOMADS server via http.
Here is more info about the change.
The global operational Real-Time Ocean Forecast
System (Global RTOFS) at the National Centers for Environmental Prediction
is based on an eddy resolving 1/12° global HYCOM (HYbrid
Coordinates Ocean Model) and is part of a larger national backbone
capability of ocean modeling at the National Weather Service in a strong
partnership with the US Navy.
The latest Global RTOFS Sea Surface Temperature nowcast Click image to enlarge