diff --git a/parm/config/gefs/config.base.emc.dyn b/parm/config/gefs/config.base.emc.dyn
index ccb95ef60e..4a56217ea6 100644
--- a/parm/config/gefs/config.base.emc.dyn
+++ b/parm/config/gefs/config.base.emc.dyn
@@ -238,7 +238,7 @@ export FHMAX_GFS_12=${FHMAX_GFS_12:-120}
 export FHMAX_GFS_18=${FHMAX_GFS_18:-120}
 current_fhmax_var=FHMAX_GFS_${cyc}; declare -x FHMAX_GFS=${!current_fhmax_var}
 
-export FHOUT_GFS=${FHOUT_GFS:-3}
+export FHOUT_GFS=${FHOUT_GFS:-6} # Must be 6 for S2S until #1629 is addressed; 3 for ops
 export FHMAX_HF_GFS=${FHMAX_HF_GFS:-0}
 export FHOUT_HF_GFS=${FHOUT_HF_GFS:-1}
 if (( gfs_cyc != 0 )); then
diff --git a/parm/config/gfs/config.base.emc.dyn b/parm/config/gfs/config.base.emc.dyn
index bf115731f2..39ba5eb25e 100644
--- a/parm/config/gfs/config.base.emc.dyn
+++ b/parm/config/gfs/config.base.emc.dyn
@@ -262,7 +262,7 @@ export FHMAX_GFS_12=${FHMAX_GFS_12:-120}
 export FHMAX_GFS_18=${FHMAX_GFS_18:-120}
 current_fhmax_var=FHMAX_GFS_${cyc}; declare -x FHMAX_GFS=${!current_fhmax_var}
 
-export FHOUT_GFS=${FHOUT_GFS:-3}
+export FHOUT_GFS=${FHOUT_GFS:-6} # Must be 6 for S2S until #1629 is addressed; 3 for ops
 export FHMAX_HF_GFS=${FHMAX_HF_GFS:-0}
 export FHOUT_HF_GFS=${FHOUT_HF_GFS:-1}
 if (( gfs_cyc != 0 )); then
diff --git a/parm/config/gfs/config.ocnpost b/parm/config/gfs/config.ocnpost
index 15dafae23f..a6330207fb 100644
--- a/parm/config/gfs/config.ocnpost
+++ b/parm/config/gfs/config.ocnpost
@@ -24,6 +24,6 @@ if [[ "${machine}" = "WCOSS2" ]]; then
 fi
 
 # No. of concurrent post jobs [0 implies sequential]
-export NPOSTGRP=2
+export NPOSTGRP=5
 
 echo "END: config.ocnpost"