diff --git a/definitions/grib2/templates/template.4.137.def b/definitions/grib2/templates/template.4.137.def
new file mode 100644
index 000000000..5efb95395
--- /dev/null
+++ b/definitions/grib2/templates/template.4.137.def
@@ -0,0 +1,11 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.137, Derived reforecast based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.point_in_time.def"
+include "grib2/templates/template.4.horizontal.def"
+include "grib2/templates/template.4.lderived.def"
+include "grib2/templates/template.4.reforecast.def"
diff --git a/definitions/grib2/templates/template.4.138.def b/definitions/grib2/templates/template.4.138.def
new file mode 100644
index 000000000..704b9e807
--- /dev/null
+++ b/definitions/grib2/templates/template.4.138.def
@@ -0,0 +1,11 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.138, Derived reforecasts based on all ensemble members at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.horizontal.def"
+include "grib2/templates/template.4.lderived.def"
+include "grib2/templates/template.4.reforecast.def"
+include "grib2/templates/template.4.statistical.def"
diff --git a/definitions/grib2/templates/template.4.139.def b/definitions/grib2/templates/template.4.139.def
new file mode 100644
index 000000000..a2cf09b14
--- /dev/null
+++ b/definitions/grib2/templates/template.4.139.def
@@ -0,0 +1,11 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.139, Reforecast at a horizontal level or in a horizontal layer at a point in time for waves selected by period range.
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.wave_period_range.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.point_in_time.def"
+include "grib2/templates/template.4.horizontal.def"
+include "grib2/templates/template.4.reforecast.def"
diff --git a/definitions/grib2/templates/template.4.140.def b/definitions/grib2/templates/template.4.140.def
new file mode 100644
index 000000000..d8af122f9
--- /dev/null
+++ b/definitions/grib2/templates/template.4.140.def
@@ -0,0 +1,12 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.140, Individual ensemble reforecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time for waves selected by period range.
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.wave_period_range.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.point_in_time.def"
+include "grib2/templates/template.4.horizontal.def"
+include "grib2/templates/template.4.leps.def"
+include "grib2/templates/template.4.reforecast.def"
diff --git a/definitions/grib2/templates/template.4.141.def b/definitions/grib2/templates/template.4.141.def
new file mode 100644
index 000000000..a41efd191
--- /dev/null
+++ b/definitions/grib2/templates/template.4.141.def
@@ -0,0 +1,11 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.141, Reforecast at a horizontal level or in a horizontal layer at a point in time for wave 2D spectra with explicit list of frequencies and directions
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.wave.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.point_in_time.def"
+include "grib2/templates/template.4.reforecast.def"
+include "grib2/templates/template.4.wave_spectra_list.def"
diff --git a/definitions/grib2/templates/template.4.142.def b/definitions/grib2/templates/template.4.142.def
new file mode 100644
index 000000000..d01542772
--- /dev/null
+++ b/definitions/grib2/templates/template.4.142.def
@@ -0,0 +1,12 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.142, Individual ensemble reforecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time for wave 2D spectra with explicit list of frequencies and directions
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.wave.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.point_in_time.def"
+include "grib2/templates/template.4.leps.def"
+include "grib2/templates/template.4.reforecast.def"
+include "grib2/templates/template.4.wave_spectra_list.def"
diff --git a/definitions/grib2/templates/template.4.143.def b/definitions/grib2/templates/template.4.143.def
new file mode 100644
index 000000000..1c47692ee
--- /dev/null
+++ b/definitions/grib2/templates/template.4.143.def
@@ -0,0 +1,11 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.32768, Random pattern
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.point_in_time.def"
+include "grib2/local/ecmf/template.4.randomPatterns.def"
+include "grib2/templates/template.4.horizontal.def"
+include "grib2/templates/template.4.leps.def"
diff --git a/definitions/grib2/templates/template.4.144.def b/definitions/grib2/templates/template.4.144.def
new file mode 100644
index 000000000..fbfbc2ef5
--- /dev/null
+++ b/definitions/grib2/templates/template.4.144.def
@@ -0,0 +1,10 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.144, Analysis or forecast at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for waves selected by period range.
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.wave_period_range.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.horizontal.def"
+include "grib2/templates/template.4.statistical.def"
diff --git a/definitions/grib2/templates/template.4.145.def b/definitions/grib2/templates/template.4.145.def
new file mode 100644
index 000000000..47e712836
--- /dev/null
+++ b/definitions/grib2/templates/template.4.145.def
@@ -0,0 +1,11 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.145, Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for waves selected by period range.
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.wave_period_range.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.horizontal.def"
+include "grib2/templates/template.4.eps.def"
+include "grib2/templates/template.4.statistical.def"
diff --git a/definitions/grib2/templates/template.4.146.def b/definitions/grib2/templates/template.4.146.def
new file mode 100644
index 000000000..6be961d6a
--- /dev/null
+++ b/definitions/grib2/templates/template.4.146.def
@@ -0,0 +1,12 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.146, Quantile reforecasts of anomalies, significance and other derived products in relation to a reference period at a horizontal level or in a horizontal layer at a point in time
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.point_in_time.def"
+include "grib2/templates/template.4.horizontal.def"
+include "grib2/templates/template.4.quantile.def"
+include "grib2/templates/template.4.reforecast.def"
+include "grib2/templates/template.4.referenceperiod.def"
diff --git a/definitions/grib2/templates/template.4.147.def b/definitions/grib2/templates/template.4.147.def
new file mode 100644
index 000000000..b4d810a20
--- /dev/null
+++ b/definitions/grib2/templates/template.4.147.def
@@ -0,0 +1,12 @@
+# (C) Copyright 2005- ECMWF.
+
+# TEMPLATE 4.134, Quantile reforecasts of anomalies, significance and other derived products in relation to a reference period at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
+
+include "grib2/templates/template.4.parameter.def"
+include "grib2/templates/template.4.generating_process.def"
+include "grib2/templates/template.4.forecast_time.def"
+include "grib2/templates/template.4.horizontal.def"
+include "grib2/templates/template.4.quantile.def"
+include "grib2/templates/template.4.reforecast.def"
+include "grib2/templates/template.4.statistical.def"
+include "grib2/templates/template.4.referenceperiod.def"
diff --git a/definitions/grib2/templates/template.4.lderived.def b/definitions/grib2/templates/template.4.lderived.def
new file mode 100644
index 000000000..7995a8fc4
--- /dev/null
+++ b/definitions/grib2/templates/template.4.lderived.def
@@ -0,0 +1,8 @@
+# (C) Copyright 2005- ECMWF.
+
+#  Derived forecast
+codetable[1] derivedForecast ('4.7.table',masterDir,localDir) : dump;
+
+#  Number of forecasts in ensemble - large ensemble size
+unsigned[4] numberOfForecastsInEnsemble  : dump;
+alias totalNumber=numberOfForecastsInEnsemble;
diff --git a/definitions/grib2/templates/template.4.randomPatterns.def b/definitions/grib2/templates/template.4.randomPatterns.def
new file mode 100644
index 000000000..d6f3829c8
--- /dev/null
+++ b/definitions/grib2/templates/template.4.randomPatterns.def
@@ -0,0 +1,10 @@
+# Random patterns - SKEB / SPPT / SPP
+
+unsigned[2] randomFieldNumber : dump;
+unsigned[2] totalNumberOfRandomFields : dump;
+unsigned[2] spatioTemporalScaleNumber : dump;
+unsigned[2] totalNumberOfSpatioTemporalScales : dump;
+unsigned[4] scaledValueOfSpatialScale : dump;
+unsigned[1] scaleFactorOfSpatialScale : dump;
+unsigned[4] scaledValueOfTemporalScale : dump;
+unsigned[1] scaleFactorOfTemporalScale : dump;