IMPORTANT NOTICE REGARDING THE WAVEWATCH III® MULTI-1 WEBSITE
The EMC WAVEWATCH III®
global wave model Multi-1 was
decommissioned in NCEP operations on March 22, 2021. It has been
replaced by a new configuration of the WAVEWATCH III global wave
model, called GFS-Wave, and coupled to the
Global Forecast System (GFSv16)
, as part of the
Unified Forecast System.
THIS WEBSITE IS NOT DISPLAYING MULTI-1 OR GFS-WAVE GRAPHICS
It is being maintained for archival and verification purposes only.
Here are the details (PDF) on how this will affect users of this site.
Output of the new GFS-Wave model is available on NOMADS and Production FTP
*under gfs.YYYYMMDD/CC/wave/gridded and gfs.YYYYMMDD/CC/wave/station
Graphics of the GFS-Wave model output will become available some time in April on the
Model Analysis and Guidance (MAG) site. Note
that the current WW3 link on that page is to a preliminary set of GFS-Wave
graphics. New graphics with more options will be added with the coming
update in May, and will be under GFS-Wave instead of WW3.
The Global Wave Ensemble System (GWES) was discontinued on 23
Sep 2020 and has been replaced by an improved GEFS-Waves,
consisting of a one-way nesting of the WAVEWATCH III system with
the recently upgraded GFS Ensemble Forecast System. The NOAA
press release on the upgrade is
, and information on GEFS is available
The GEFSv12 Service Change Notice (issued 8/20/2020, PDF) is
, and you can find information on the evaluation of the GEFS-Waves portion
of the GEFS system in the
Model Evaluation Group (MEG)
Summary page on the
The model data is available four times a day (0, 6, 12, 18)Z from:
Production FTP (gefs.YYYYMMDD -->cycle-->waves)
NOMADS (Ocean Models-->GFS Ensemble Wave-->(grib filter or https file download).
Details on the products can be found
(scroll down to GEFS - Wave - Global).
This page includes a general description of changes made to the WAVEWATCH III
v. 3.14 software package, followed by a link to a text file containing the
differences in the package files. The text file was generated using a diff
command within the subversion version
control environment. The diff file can be applied as a patch directly on codes belonging to a previous software package version.
The WAVEWATCH III package version changes described below are tagged v. 3.14-13.
The patch using the diff file below can be applied to original, unchanged code
lines from version 3.14-12 that are included in the diff file below.
Summary of changes
General Descriptor: Split communicator bug fix
- wminitmd.ftn: Fix format 9061 to remove warning. Use MPI_COMM_NULL in checks.
- wmiopomd.ftn: Use MPI_COMM_NULL in checks.
- wmgridmd.ftn: Use MPI_COMM_NULL in checks.
- wmwavemd.ftn: Use MPI_COMM_NULL in checks.
- make_MPI: Reset of internal options.
- comp.Portland Reset of internal options.
- comp.Intel Reset of internal options.
From the directory to be updated, use patch command, set to ignore directories at level one (eg, patch -p1).
Posted October 2, 2012
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