diff --git a/blight-editor/src/main/java/de/blight/editor/ui/WorldMapView.java b/blight-editor/src/main/java/de/blight/editor/ui/WorldMapView.java
index 97cfa84..7da363d 100644
--- a/blight-editor/src/main/java/de/blight/editor/ui/WorldMapView.java
+++ b/blight-editor/src/main/java/de/blight/editor/ui/WorldMapView.java
@@ -456,12 +456,12 @@ public class WorldMapView extends VBox {
         } else {
             gc.drawImage(mapFxImage, panX, panY, mapFxImage.getWidth() * scale, mapFxImage.getHeight() * scale);
         }
-        // Layer 2: Klippen (Grau-Füllung + Vektor-Kontur)
+        // Layer 2: Klippen (Grau-Füllung + Schraffierung + Vektor-Kontur)
         if (cbCliffs.isSelected())  drawCliffOverlay(gc);
-        // Layer 3: Küstenlinie (Vektor)
-        if (cbWater.isSelected())   drawWaterOverlay(gc);
-        // Layer 4: Wald (Füllung + Vektor-Kontur)
+        // Layer 3: Wald (Füllung + Vektor-Kontur) – unter Wasser
         if (cbForest.isSelected())  drawForestOverlay(gc);
+        // Layer 4: Küstenlinie + Wasser (Vektor) – deckt Terrain-Features ab
+        if (cbWater.isSelected())   drawWaterOverlay(gc);
         // Layer 5: Areas (Vektoren)
         if (cbAreas.isSelected())   drawAreasOverlay(gc);
         if (!isFullscreen)          drawCameraIndicator(gc);
@@ -1117,21 +1117,17 @@ public class WorldMapView extends VBox {
 
     /** Extrahiert Wald-Konturen aus der Tree-Density-Map als geglättete Weltkoordinaten-Pfade. */
     private static List<float[][]> buildForestOutlinePaths(float[] density, int fdSize, float threshold) {
-        final int SIZE = SEA_MASK_SIZE;
-        float[] mask = new float[SIZE * SIZE];
-        for (int py = 0; py < SIZE; py++) {
-            for (int px = 0; px < SIZE; px++) {
-                float fx = (float) px / (SIZE - 1) * (fdSize - 1);
-                float fz = (float) py / (SIZE - 1) * (fdSize - 1);
-                int sx = Math.min(fdSize - 1, (int) fx), sz = Math.min(fdSize - 1, (int) fz);
-                float d = density[sz * fdSize + sx];
-                // Wald-Bereich = "inside" (< threshold 0.5): -1; Nicht-Wald = 1
-                mask[py * SIZE + px] = d >= threshold ? -1f : 1f;
+        // Density-Map: mz=0 = Norden (WH-pm.z()=0 → pm.z()=+WH), mz=fdSize-1 = Süden.
+        // Marching Squares: mz=0 → msW=-WH (Süden). → Z muss gespiegelt werden.
+        float[] mask = new float[fdSize * fdSize];
+        for (int mz = 0; mz < fdSize; mz++) {
+            int dz = fdSize - 1 - mz;  // Süden im MS ↔ Süden in der Density-Map
+            for (int mx = 0; mx < fdSize; mx++) {
+                mask[mz * fdSize + mx] = density[dz * fdSize + mx] >= threshold ? -1f : 1f;
             }
         }
-
         List<float[]> segs = new ArrayList<>();
-        marchingSquares(mask, SIZE, 0.5f, null, null, segs);
+        marchingSquares(mask, fdSize, 0.5f, null, null, segs);
         return buildSeaCoastPaths(segs.toArray(new float[0][]));
     }