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Service alerts

As of Monday 15 June, we have resumed service to help Londoners safely commute through the capital once again.

We have implemented a range of enhanced hygiene and social distancing measures to allow for a safer transport option through London. We are keen to support London’s workers with getting moving again as we start to see an ease in the lockdown measures.

Please be aware that we are currently operating to a reduced timetable and familiarise yourself with our new safety measures.

Find out more.


This page is updated regularly when we have advanced notice of issues which may cause changes to our service.

For the most up to date information on our services please check our Twitter page.
As soon as we are aware of any timetable irregularities, service alerts will be issued via Twitter.


  • Wednesday 8 July | Woolwich (Royal Arsenal) Pier | Thames Barrier closure

    A test closure of the Thames Barrier will take place 09:35 - 12:05 on Wednesday 8 July.

    The 10:05, 10:35 and 11:05 RB1 Westbound services will be unable to call at Woolwich (Royal Arsenal) Pier and will depart from Royal Wharf Pier instead. The 10:00, 10:20 and 10:30 RB1 Eastbound services will terminate at Royal Wharf Pier instead of Woolwich (Royal Arsenal) Pier.

    We are awaiting confirmation as to whether the 09:28 arrival and 09:35 departure from Woolwich (Royal Arsenal) Pier will be allowed to pass through the Thames Barrier before it closes.

Please follow our Twitter account for live updates @thamesclippers


What causes service delays and alerts?

Spontaneous service delays can be caused by a number of issues including river congestion, pier congestion, passenger demand, passenger disruption and occasional technical issues with our vessels. When we are aware of these disruptions, a service alert is issued via our Twitter page.

Anticipated service alerts can be caused by:

  • Thames Barrier closures
    The Thames Barrier is located between Woolwich (Royal Arsenal) and Royal Wharf piers. When the barrier is closed for tests, or to prevent London from flooding, our services are unable to reach Woolwich (Royal Arsenal) Pier.
  • Riverside activities
    The Thames is an incredibly active river and events regularly take place along its banks and on the river itself which have the potential to affect some services.
  • Tidal conditions
    At extremely low tides, our vessels may be unable to dock successfully at some of our piers or it may be unsafe for passengers to attempt to board from them. Low tide also limits the Thames’s river traffic capacity which can cause congestion.
  • London fog
    In extreme fog our services cannot operate. As foggy conditions can change rapidly, please check our Twitter page for the most up-to-date information.

About our Twitter updates

  • Our fleet control update Twitter with delay information using TfL’s wording for delays. “Minor” refers to delays between 5-15 minutes. “Severe” refers to delays that are over 15 minutes.
  • When a service is “suspended between two piers” this means that the service is not able to run between the piers mentioned or at the intermediate piers.
  • We cannot always give a specific reason for each individual delay nor can our fleet control respond to individual tweets asking about the arrival time of your service.

We apologise for any inconvenience that service disruption has caused to your journey and we always appreciate your patience while we manage the matter.