Solved culling issue by having skybox follow camera, downside is shader code(world position etc)

Assets/Data/UniversalRP/BoatDemoRenderer.asset

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Assets/Objects/environment/Clouds/Shader Graphs_Clouds.mat

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Assets/Scripts/Environment/SkyboxFeature.cs

             m_RenderStateBlock.stencilState = stencilState;
             //DepthState depthState = new DepthState(false, CompareFunction.Less);
             //m_RenderStateBlock.depthState = depthState;
-            
+
             m_OpaqueFilteringSettings = new FilteringSettings(RenderQueueRange.opaque, mask);
             m_TransparentFilteringSettings = new FilteringSettings(RenderQueueRange.transparent, mask);
         }
         public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
         {
             var cameraData = renderingData.cameraData;
+            var cameraPosition = cameraData.camera.transform.position;
-            
+
             CommandBuffer cmd = CommandBufferPool.Get(ProfilerTag);
             using (new ProfilingScope(cmd, _profilingSampler))
             {
-                    var cameraTranslation = viewMatrix.GetColumn(3);
-                    var camScale = cameraTranslation * Scale;
-                    Debug.Log($"scale is {Scale}");
-                    cameraTranslation = new Vector4(camScale.x, camScale.y, camScale.z, cameraTranslation.w);
+                    var camPosition = viewMatrix.GetColumn(3);
+                    var camScale = camPosition * Scale + camPosition;
+                    var cameraTranslation = new Vector4(camScale.x, camScale.y, camScale.z, camPosition.w);
-                    
+
-                    cmd.SetGlobalVector("_WorldSpaceCameraPos", cameraData.camera.transform.position * Scale);
+                    cmd.SetGlobalVector("_WorldSpaceCameraPos", cameraPosition * Scale + cameraPosition);
+                    //cmd.SetGlobalVector("_WorldSpaceCameraPos", cameraPosition * Scale);
-                
+
-                
+
-                
+
-                    cmd.SetGlobalVector("_WorldSpaceCameraPos", cameraData.camera.transform.position);
+                    cmd.SetGlobalVector("_WorldSpaceCameraPos", cameraPosition);
                 }
             }
             context.ExecuteCommandBuffer(cmd);

Assets/Scripts/Utility/SkyboxSystem.cs

+using UnityEngine;
+using UnityEngine.Rendering;
+
+[ExecuteAlways]
+public class SkyboxSystem : MonoBehaviour
+{
+    public int scalefactor = 64;
+
+    private void OnEnable()
+    {
+        RenderPipelineManager.beginCameraRendering += OnCamera;
+        RenderPipelineManager.endCameraRendering += OnCameraFinish;
+    }
+
+    private void OnDisable()
+    {
+        RenderPipelineManager.beginCameraRendering -= OnCamera;
+        RenderPipelineManager.endCameraRendering -= OnCameraFinish;
+    }
+
+    private void OnCamera(ScriptableRenderContext context, Camera camera)
+    {
+        transform.position = Vector3.Lerp(camera.transform.position, Vector3.zero, 1f / scalefactor);
+    }
+
+    private void OnCameraFinish(ScriptableRenderContext context, Camera camera)
+    {
+        transform.position = Vector3.zero;
+    }
+}

Assets/Scripts/Utility/SkyboxSystem.cs.meta

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