Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsOvertoppingOutput.cs
===================================================================
diff -u -r711f6909f672eff30cea67489cb7372f01e7aff9 -r13a669fc8333d93a997aa54f6037f0592da1cd96
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsOvertoppingOutput.cs	(.../GrassCoverErosionInwardsOvertoppingOutput.cs)	(revision 711f6909f672eff30cea67489cb7372f01e7aff9)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsOvertoppingOutput.cs	(.../GrassCoverErosionInwardsOvertoppingOutput.cs)	(revision 13a669fc8333d93a997aa54f6037f0592da1cd96)
@@ -45,12 +45,12 @@
         }
 
         /// <summary>
-        /// The height of the wave that was calculated in the overtopping sub failure mechanism.
+        /// Gets the height of the wave that was calculated in the overtopping sub failure mechanism.
         /// </summary>
         public RoundedDouble WaveHeight { get; }
 
         /// <summary>
-        /// Value indicating whether the overtopping sub failure mechanism was dominant over the overflow
+        /// Gets the value indicating whether the overtopping sub failure mechanism was dominant over the overflow
         /// sub failure mechanism.
         /// </summary>
         public bool IsOvertoppingDominant { get; }
@@ -59,5 +59,13 @@
         /// Gets the probabilistic assessment output.
         /// </summary>
         public ProbabilityAssessmentOutput ProbabilityAssessmentOutput { get; }
+
+        public bool HasWaveHeight
+        {
+            get
+            {
+                return !double.IsNaN(WaveHeight);
+            }
+        }
     }
 }
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