Engineering work is taking place between Portsmouth Harbour and Fareham, closing some lines on Monday morning.
As a result, the 04:50 Fratton to Bristol Temple Meads will start from Fareham at 05:10. If you are travelling from Fratton, Cosham or Portchester, you should travel by later services.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner