Discontinuity of global Hs output at 180° longitude

[Liu-Jincan]

Hi, everyone. The below figure is the WW3 global output of the Hs variable, and it's noticeable that there is discontinuous at the 180° longitide.

The global grid was generated through the Matlab code of GRIDGEN, and some configurations are as follows:

Additionally, here are some settings in the ww3_grid.nml:

Any suggestion is welcome.

[aliabdolali]

You need to see the closure in ww3_grid.inp(nml), and set the flag to T