The HRES stream = scda  time 06z and 18z: 

• Forecast
  

  retrieve, class=od, date=2018-10-30,<-- your date expver=1, levtype=sfc, param=10U/10V, <-- your parameters step=0/to/90/by/1, stream=scda, time=06/12, type=fc, target="output"

  
  

• Analysis
  

  retrieve, class=od, date=2018-10-30,<-- your date expver=1, levtype=sfc, param=10U/10V, <-- your parameters step=0, stream=scda, time=06/12, type=an, target="output"

  
  

The ENS high frequency (stream= enfo time = 06/18) is available as the other time 00z and 12z

• Control forecast
  

• Perturbed forecast