Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Parsers/WaveConditionsCalculationParser.cs
===================================================================
diff -u -r32e9b5ed73b6c798055ab4c87c4db703fb3d866e -re111eec42ba01c6a60caf3356ee7353880913c6a
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Parsers/WaveConditionsCalculationParser.cs	(.../WaveConditionsCalculationParser.cs)	(revision 32e9b5ed73b6c798055ab4c87c4db703fb3d866e)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Parsers/WaveConditionsCalculationParser.cs	(.../WaveConditionsCalculationParser.cs)	(revision e111eec42ba01c6a60caf3356ee7353880913c6a)
@@ -32,13 +32,16 @@
     /// </summary>
     public class WaveConditionsCalculationParser : IHydraRingFileParser
     {
+        private const string sectionIdParameterName = "@sectionId";
+
         private const string waveHeightColumnName = "WaveHeight";
         private const string wavePeriodColumnName = "WavePeriod";
         private const string waveDirectionColumnName = "WaveDirection";
         private const string waveAngleColumnName = "WaveAngle";
 
         private readonly string query = $"SELECT {waveHeightColumnName}, {wavePeriodColumnName}, {waveAngleColumnName}, {waveDirectionColumnName} " +
-                                        "FROM QVariantResults";
+                                        "FROM QVariantResults " +
+                                        $"WHERE SectionId = {sectionIdParameterName}";
 
         /// <summary>
         /// Gets the output that was parsed from the output file.