Index: Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsOutput.cs
===================================================================
diff -u -rc68b62821df129218cd8d89b8b59db8c37ce3065 -rbc5e613a18bbcf1309b2b54ab2de35e5d03ca960
--- Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsOutput.cs	(.../WaveConditionsOutput.cs)	(revision c68b62821df129218cd8d89b8b59db8c37ce3065)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsOutput.cs	(.../WaveConditionsOutput.cs)	(revision bc5e613a18bbcf1309b2b54ab2de35e5d03ca960)
@@ -50,6 +50,8 @@
         /// <param name="targetReliability">The target beta (reliability).</param>
         /// <param name="calculatedProbability">The calculated probability.</param>
         /// <param name="calculatedReliability">The calculated beta (reliability).</param>
+        /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="targetProbability"/> or 
+        /// <paramref name="calculatedProbability"/>lies outside[0,1] and is not <see cref="double.NaN"/>.</exception>
         public WaveConditionsOutput(double waterLevel, double waveHeight, double wavePeakPeriod, double waveAngle,
                                     double waveDirection,
                                     double targetProbability, double targetReliability,
Index: Ringtoets/Revetment/src/Ringtoets.Revetment.Service/WaveConditionsService.cs
===================================================================
diff -u -r30327d029fa4a87a0acd139798d6966420be4ed2 -rbc5e613a18bbcf1309b2b54ab2de35e5d03ca960
--- Ringtoets/Revetment/src/Ringtoets.Revetment.Service/WaveConditionsService.cs	(.../WaveConditionsService.cs)	(revision 30327d029fa4a87a0acd139798d6966420be4ed2)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.Service/WaveConditionsService.cs	(.../WaveConditionsService.cs)	(revision bc5e613a18bbcf1309b2b54ab2de35e5d03ca960)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using Core.Common.Utils;
 using Ringtoets.Common.Service;
 using Ringtoets.Revetment.Data;
@@ -41,6 +42,8 @@
         /// <param name="norm">The target norm to calculate for.</param>
         /// <param name="calculatedReliability">The calculated reliability.</param>
         /// <returns>The calculated <see cref="WaveConditionsOutput"/>.</returns>
+        /// <exception cref="ArgumentOutOfRangeException">Thrown when the target probability or 
+        /// calculated probability lies outside [0, 1] and is not <see cref="double.NaN"/>.</exception>
         public static WaveConditionsOutput Calculate(double waterLevel, double waveHeight, double wavePeakPeriod,
                                                      double waveAngle, double waveDirection,
                                                      double norm, double calculatedReliability)