Engineering work is taking place between Ford and Brighton, resulting in the closure of some lines.
The 17:46 Brighton to Bristol Temple Meads will start from Portsmouth Harbour, calling at Portsmouth & Southsea and Fratton before resuming the normal route at Cosham.
For Brighton and earlier stations you can use alternative services to complete your journey.
Check before you travel:
These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.