Service alerts
Learn more about what can cause service delays or cancellations
This page is updated regularly when we have advanced notice of situations which may impact our service. For the most up to date information on our services please follow @thamesclippers on Twitter.
As soon as we are aware of any disruptions, service alerts will be sent via Twitter.
Upcoming alerts
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Masthouse Terrace Pier has now reopened
Masthouse Terrace Pier was closed from 9am on Tuesday 9 August whilst Canal & River Trust carried out essential planned maintenance work. The pier has now reopened.
Thames Barrier Closures
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Thames Barrier Closure
Monday, 15 AugustA test closure of the Thames Barrier is scheduled to take place 10:10 – 12:40 on Monday 15 August. This will prevent some morning services from calling at Barking Riverside and Woolwich (Royal Arsenal) piers.
The last westbound service departing these piers will be the 09:50 from Barking Riverside Pier. The last two eastbound services of the morning will end at North Greenwich Pier.
Evening services will not be affected. -
Thames Barrier Closure
Saturday 24 September, all dayThe annual closure of the Thames Barrier is scheduled to take place between 9:45 am on Saturday 24 September and 1:45am on Sunday 25 September. This will prevent our services from calling at Barking Riverside and Woolwich (Royal Arsenal) piers throughout the day.
Only the 08:20, 08:50 and 09:20 westbound services will call at both piers.
Sunday services will not be affected. -
Thames Barrier Closure
Thursday, 13 OctoberA test closure of the Thames Barrier is scheduled to take place 09:45 – 12:15 on Thursday 13 October. This will prevent some morning services from calling at Barking Riverside and Woolwich (Royal Arsenal) piers.
The last westbound service departing these piers will be the 09:20 from Barking Riverside Pier. The last three eastbound services of the morning will end at North Greenwich Pier.
Evening services will not be affected.
Service updates on Twitter
- 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.
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:
- 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. - 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) or Barking Riverside piers. - 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. - 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.
We apologise for any inconvenience that service disruption has caused to your journey and we always appreciate your patience while we manage the matter. If you wish to contact our Customer Service Team, you can do so here.