diff --git a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/racemap/RaceMap.java b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/racemap/RaceMap.java
index 46b20df45cb..418914c73ac 100755
--- a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/racemap/RaceMap.java
+++ b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/racemap/RaceMap.java
@@ -417,7 +417,10 @@ public class RaceMap extends AbsolutePanel implements TimeListener, CompetitorSe
                                             WindTrackInfoDTO windTrackInfoDTO = windInfo.windTrackInfoByWindSource.get(windSource);
                                             switch (windSource.getType()) {
                                                 case EXPEDITION:
-                                                    windSourcesToShow.add(new Pair<WindSource, WindTrackInfoDTO>(windSource, windTrackInfoDTO));
+                                                    // we filter out measured wind sources with a very little confidence
+                                                    if(windTrackInfoDTO.minWindConfidence > 0.01) {
+                                                        windSourcesToShow.add(new Pair<WindSource, WindTrackInfoDTO>(windSource, windTrackInfoDTO));
+                                                    }
                                                     break;
                                                 case COMBINED:
                                                     showCombinedWindOnMap(windSource, windTrackInfoDTO);