diff --git a/.changeset/sixty-bikes-visit.md b/.changeset/sixty-bikes-visit.md
new file mode 100644
index 0000000000..49586676fc
--- /dev/null
+++ b/.changeset/sixty-bikes-visit.md
@@ -0,0 +1,7 @@
+---
+"@clerk/clerk-js": minor
+"@clerk/astro": minor
+"@clerk/types": minor
+---
+
+Inject `windowNavigate` through router functions.
diff --git a/packages/astro/src/internal/create-clerk-instance.ts b/packages/astro/src/internal/create-clerk-instance.ts
index 8d56018fa0..dd72be8d92 100644
--- a/packages/astro/src/internal/create-clerk-instance.ts
+++ b/packages/astro/src/internal/create-clerk-instance.ts
@@ -9,31 +9,22 @@ import { runOnce } from './run-once';
 
 let initOptions: ClerkOptions | undefined;
 
-// TODO-SHARED: copied from `clerk-js`
-export const CLERK_BEFORE_UNLOAD_EVENT = 'clerk:beforeunload';
-
 setClerkJsLoadingErrorPackageName(PACKAGE_NAME);
 
-function windowNavigate(to: URL | string): void {
-  const toURL = new URL(to, window.location.href);
-  window.dispatchEvent(new CustomEvent(CLERK_BEFORE_UNLOAD_EVENT));
-  window.location.href = toURL.href;
-}
-
 function createNavigationHandler(
   windowNav: typeof window.history.pushState | typeof window.history.replaceState,
 ): Exclude<ClerkOptions['routerPush'], undefined> | Exclude<ClerkOptions['routerReplace'], undefined> {
-  return (to, metadata) => {
-    if (metadata?.__internal_metadata?.navigationType === 'internal') {
+  return (to, opts) => {
+    if (opts?.__internal_metadata?.navigationType === 'internal') {
       windowNav(history.state, '', to);
     } else {
-      windowNavigate(to);
+      opts?.windowNavigate(to);
     }
   };
 }
 
 /**
- * Prevents firing clerk.load multiple times
+ * Prevents firing clerk.load() multiple times
  */
 const createClerkInstance = runOnce(createClerkInstanceInternal);
 
diff --git a/packages/clerk-js/src/core/__tests__/clerk.redirects.test.ts b/packages/clerk-js/src/core/__tests__/clerk.redirects.test.ts
index 0f6dad0113..3d8bd18413 100644
--- a/packages/clerk-js/src/core/__tests__/clerk.redirects.test.ts
+++ b/packages/clerk-js/src/core/__tests__/clerk.redirects.test.ts
@@ -124,34 +124,30 @@ describe('Clerk singleton - Redirects', () => {
 
       it('redirects to signInUrl for development instance', async () => {
         await clerkForDevelopmentInstance.redirectToSignIn({ redirectUrl: '/example' });
-        expect(mockNavigate).toHaveBeenCalledWith(
-          '/sign-in#/?redirect_url=http%3A%2F%2Ftest.host%2Fexample',
-          undefined,
-        );
+        expect(mockNavigate).toHaveBeenCalledWith('/sign-in#/?redirect_url=http%3A%2F%2Ftest.host%2Fexample', {
+          windowNavigate: expect.any(Function),
+        });
       });
 
       it('redirects to signInUrl for production instance', async () => {
         await clerkForProductionInstance.redirectToSignIn({ redirectUrl: '/example' });
-        expect(mockNavigate).toHaveBeenCalledWith(
-          '/sign-in#/?redirect_url=http%3A%2F%2Ftest.host%2Fexample',
-          undefined,
-        );
+        expect(mockNavigate).toHaveBeenCalledWith('/sign-in#/?redirect_url=http%3A%2F%2Ftest.host%2Fexample', {
+          windowNavigate: expect.any(Function),
+        });
       });
 
       it('redirects to signUpUrl for development instance', async () => {
         await clerkForDevelopmentInstance.redirectToSignUp({ redirectUrl: '/example' });
-        expect(mockNavigate).toHaveBeenCalledWith(
-          '/sign-up#/?redirect_url=http%3A%2F%2Ftest.host%2Fexample',
-          undefined,
-        );
+        expect(mockNavigate).toHaveBeenCalledWith('/sign-up#/?redirect_url=http%3A%2F%2Ftest.host%2Fexample', {
+          windowNavigate: expect.any(Function),
+        });
       });
 
       it('redirects to signUpUrl for production instance', async () => {
         await clerkForProductionInstance.redirectToSignUp({ redirectUrl: '/example' });
-        expect(mockNavigate).toHaveBeenCalledWith(
-          '/sign-up#/?redirect_url=http%3A%2F%2Ftest.host%2Fexample',
-          undefined,
-        );
+        expect(mockNavigate).toHaveBeenCalledWith('/sign-up#/?redirect_url=http%3A%2F%2Ftest.host%2Fexample', {
+          windowNavigate: expect.any(Function),
+        });
       });
 
       it('redirects to userProfileUrl', async () => {
diff --git a/packages/clerk-js/src/core/__tests__/clerk.test.ts b/packages/clerk-js/src/core/__tests__/clerk.test.ts
index 442f8d73bc..fd6777fdba 100644
--- a/packages/clerk-js/src/core/__tests__/clerk.test.ts
+++ b/packages/clerk-js/src/core/__tests__/clerk.test.ts
@@ -784,7 +784,9 @@ describe('Clerk singleton', () => {
       await waitFor(() => {
         expect(mockSignUpCreate).not.toHaveBeenCalledWith({ transfer: true });
         expect(mockSetActive).not.toHaveBeenCalled();
-        expect(mockNavigate).toHaveBeenCalledWith('/sign-in', undefined);
+        expect(mockNavigate).toHaveBeenCalledWith('/sign-in', {
+          windowNavigate: expect.any(Function),
+        });
       });
     });
 
diff --git a/packages/clerk-js/src/core/clerk.ts b/packages/clerk-js/src/core/clerk.ts
index ac4b6a44a5..0597b2420c 100644
--- a/packages/clerk-js/src/core/clerk.ts
+++ b/packages/clerk-js/src/core/clerk.ts
@@ -828,7 +828,10 @@ export class Clerk implements ClerkInterface {
       return;
     }
 
-    const metadata = options?.metadata ? { __internal_metadata: options?.metadata } : undefined;
+    const metadata = {
+      ...(options?.metadata ? { __internal_metadata: options?.metadata } : {}),
+      windowNavigate,
+    };
     // React router only wants the path, search or hash portion.
     return await customNavigate(stripOrigin(toURL), metadata);
   };
diff --git a/packages/types/src/clerk.ts b/packages/types/src/clerk.ts
index b7478735c7..2b03f2b673 100644
--- a/packages/types/src/clerk.ts
+++ b/packages/types/src/clerk.ts
@@ -641,7 +641,10 @@ type NavigationType =
 
 type RouterMetadata = { routing?: RoutingStrategy; navigationType?: NavigationType };
 
-type RouterFn = (to: string, metadata?: { __internal_metadata?: RouterMetadata }) => Promise<unknown> | unknown;
+type RouterFn = (
+  to: string,
+  metadata?: { __internal_metadata?: RouterMetadata; windowNavigate: (to: URL | string) => void },
+) => Promise<unknown> | unknown;
 
 export type WithoutRouting<T> = Omit<T, 'path' | 'routing'>;