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I have another tool developed for WAVEWATCH III users: https://github.com/ZxyGch/WW3Tool

Ubuntu

sudo apt install gcc  g++  gfortran  make mpich libopenmpi-dev zlib1g-dev cmake git libhdf5-dev libnetcdf-dev libnetcdff-dev

git clone https://github.com/NOAA-EMC/WW3.git

cd WW3

mkdir build && cd build

cmake .. \
  -DSWITCH=NCEP_st4 \
  -DCMAKE_INSTALL_PREFIX=install 
  
make -j

sudo make install  

Then perform regression test

ROOT=$(cd .. && pwd)
CASE=$ROOT/regtests/ww3_tp1.1
BIN=$ROOT/build/bin
WORK=$CASE/work_install_smoke

mkdir -p "$WORK" \
&& rsync -a --ignore-existing "$CASE/input/" "$WORK/" \
&& cd "$WORK" \
&& for exe in ww3_grid ww3_strt ww3_shel; do
     "$BIN/$exe"
   done 

like this, install WAVEWATCH III success 🎉

  WAVEWATCH III calculating for 1968/06/06 20:00:00 UTC at 14:30:51
  WAVEWATCH III calculating for 1968/06/06 21:00:00 UTC at 14:30:51
  WAVEWATCH III calculating for 1968/06/06 22:00:00 UTC at 14:30:51
  WAVEWATCH III calculating for 1968/06/06 23:00:00 UTC at 14:30:51
  WAVEWATCH III calculating for 1968/06/07 00:00:00 UTC at 14:30:51
  WAVEWATCH III reached the end of a computation loop at 14:30:51

  Initialization time :      0.08 s
  Elapsed time        :      0.08 s

  End of program 
 ====================================
         WAVEWATCH III Program shell 

In the WW3/build/bin, we can find

gx_outf    ww3_bound  ww3_grid   ww3_ounf   ww3_outp   ww3_shel   ww3_trck
gx_outp    ww3_gint   ww3_gspl   ww3_ounp   ww3_prep   ww3_strt   ww3_trnc
ww3_bounc  ww3_grib   ww3_multi  ww3_outf   ww3_prnc   ww3_systrk ww3_uprstr

MacOS

Install brew

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Install Others

brew install gcc open-mpi zlib hdf5 netcdf-c netcdf-fortran

Check the install is successful

gcc --version
gfortran --version
mpicc --version
mpif90 --version
mpirun --version
nc-config --all
nf-config --all

Install WAVEWATCH III

git clone https://github.com/NOAA-EMC/WW3.git

cd WW3

mkdir build && cd build

cmake .. \
  -DSWITCH=NCEP_st4 \
  -DCMAKE_INSTALL_PREFIX=install 
  
make 

make install  

Then perform regression test

ROOT=$(cd .. && pwd)
CASE=$ROOT/regtests/ww3_tp1.1
BIN=$ROOT/build/bin
WORK=$CASE/work_install_smoke

mkdir -p "$WORK" \
&& rsync -a --ignore-existing "$CASE/input/" "$WORK/" \
&& cd "$WORK" \
&& for exe in ww3_grid ww3_strt ww3_shel; do
     "$BIN/$exe"
   done 

like this, install WAVEWATCH III Success 🎉

  WAVEWATCH III calculating for 1968/06/06 20:00:00 UTC at 14:30:51
  WAVEWATCH III calculating for 1968/06/06 21:00:00 UTC at 14:30:51
  WAVEWATCH III calculating for 1968/06/06 22:00:00 UTC at 14:30:51
  WAVEWATCH III calculating for 1968/06/06 23:00:00 UTC at 14:30:51
  WAVEWATCH III calculating for 1968/06/07 00:00:00 UTC at 14:30:51
  WAVEWATCH III reached the end of a computation loop at 14:30:51

  Initialization time :      0.08 s
  Elapsed time        :      0.08 s

  End of program 
 ====================================
         WAVEWATCH III Program shell 

In the WW3/build/bin, we can find

gx_outf    ww3_bound  ww3_grid   ww3_ounf   ww3_outp   ww3_shel   ww3_trck
gx_outp    ww3_gint   ww3_gspl   ww3_ounp   ww3_prep   ww3_strt   ww3_trnc
ww3_bounc  ww3_grib   ww3_multi  ww3_outf   ww3_prnc   ww3_systrk ww3_uprstr