diff --git a/index.html b/index.html
index fe44ef3..6871cf9 100644
--- a/index.html
+++ b/index.html
@@ -452,19 +452,10 @@
                 displacement += gerstnerWave(pos, time * 2.5, vec2(0.7, -0.7), 0.03 * heightMod, 0.18, t, b);
                 tangent += t - vec3(1.0, 0.0, 0.0); binormal += b - vec3(0.0, 0.0, 1.0);
                 
-                displacement += gerstnerWave(pos, time * 2.8, vec2(-0.8, 0.6), 0.025 * heightMod, 0.15, t, b);
+                displacement += gerstnerWave(pos, time * 3.0, vec2(-0.8, 0.6), 0.025 * heightMod, 0.12, t, b);
                 tangent += t - vec3(1.0, 0.0, 0.0); binormal += b - vec3(0.0, 0.0, 1.0);
                 
-                displacement += gerstnerWave(pos, time * 3.0, vec2(0.5, 0.85), 0.02 * heightMod, 0.12, t, b);
-                tangent += t - vec3(1.0, 0.0, 0.0); binormal += b - vec3(0.0, 0.0, 1.0);
-                
-                displacement += gerstnerWave(pos, time * 3.2, vec2(-0.95, -0.3), 0.018 * heightMod, 0.10, t, b);
-                tangent += t - vec3(1.0, 0.0, 0.0); binormal += b - vec3(0.0, 0.0, 1.0);
-                
-                displacement += gerstnerWave(pos, time * 3.5, vec2(0.3, -0.95), 0.015 * heightMod, 0.08, t, b);
-                tangent += t - vec3(1.0, 0.0, 0.0); binormal += b - vec3(0.0, 0.0, 1.0);
-                
-                displacement += gerstnerWave(pos, time * 3.8, vec2(-0.6, 0.8), 0.012 * heightMod, 0.06, t, b);
+                displacement += gerstnerWave(pos, time * 3.5, vec2(0.5, -0.9), 0.02 * heightMod, 0.08, t, b);
                 tangent += t - vec3(1.0, 0.0, 0.0); binormal += b - vec3(0.0, 0.0, 1.0);
                 
                 // Store wave height for fragment shader
diff --git a/src/OceanLOD.ts b/src/OceanLOD.ts
index e6e366b..ad2f579 100644
--- a/src/OceanLOD.ts
+++ b/src/OceanLOD.ts
@@ -9,13 +9,14 @@ export class OceanLOD {
         centerY: number;
         size: number;
         lodLevel: number;
+        visible: boolean;
     }> = [];
     
     private readonly LOD_LEVELS = [
-        { distance: 2.0, gridSize: 256 },   // Closest - highest detail
-        { distance: 5.0, gridSize: 128 },   // Medium distance
-        { distance: 10.0, gridSize: 64 },   // Far distance
-        { distance: 20.0, gridSize: 32 },   // Very far - lowest detail
+        { distance: 2.0, gridSize: 128 },   // Closest - highest detail
+        { distance: 5.0, gridSize: 64 },    // Medium distance
+        { distance: 10.0, gridSize: 32 },   // Far distance
+        { distance: 20.0, gridSize: 16 },   // Very far - lowest detail
     ];
     
     private readonly PATCH_SIZE = 2.0; // World size of each patch
@@ -47,7 +48,8 @@ export class OceanLOD {
                     centerX,
                     centerY,
                     size: this.PATCH_SIZE,
-                    lodLevel: 3
+                    lodLevel: 3,
+                    visible: true
                 });
             }
         }
@@ -77,14 +79,17 @@ export class OceanLOD {
             const dotProduct = vec3.dot(viewDir, toPatchDir);
             
             // Determine if patch is in front of camera and within view cone
-            const isInFront = dotProduct > -0.2; // Slightly behind is ok for edge cases
+            const isInFront = dotProduct > -0.3; // Slightly behind is ok for edge cases
             const isInViewCone = dotProduct > this.VIEW_CONE_COS;
             
+            // Frustum culling - don't draw patches behind camera
+            patch.visible = isInFront;
+            
             // Calculate LOD level
             let newLodLevel = 3; // Default to lowest detail
             
             if (!isInFront) {
-                // Behind camera - always lowest detail
+                // Behind camera - skip (will not be drawn)
                 newLodLevel = 3;
             } else if (isInViewCone) {
                 // In view cone - use distance-based LOD
@@ -125,8 +130,10 @@ export class OceanLOD {
     }
     
     draw(gl: WebGL2RenderingContext, wireframe: boolean = false): void {
-        for (const { grid } of this.grids) {
-            grid.draw(gl, wireframe);
+        for (const patch of this.grids) {
+            if (patch.visible) {
+                patch.grid.draw(gl, wireframe);
+            }
         }
     }
     
diff --git a/src/constants.ts b/src/constants.ts
index 6c54303..089ccd9 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -1,5 +1,5 @@
 // Configuration Constants
-export const GRID_SIZE = 256;
+export const GRID_SIZE = 128;
 export const NOISE_TEXTURE_WIDTH = 1024;
 export const NOISE_TEXTURE_HEIGHT = 1024;
 export const CANVAS_WIDTH = 800;