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Hot weather to affect some South Western Railway services on Monday 3 and Tuesday 4 August 

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Service alteration details

Incident reported: Friday 31 July 2026 at 10:42

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Last updated

Friday 31 July 2026 at 11:06

Train operators affected

Route(s) affected

Various South Western Railway routes

Description

The Met Office are advising that temperatures are forecast to be above average across England and Wales early next week.

On Monday 3 and Tuesday 4 August, from 12:00 until 19:00, services running between Portsmouth Harbour and Woking will be diverted via Cobham & Stoke d'Abernon.

Customer advice:

Due to the high temperatures forecast for Monday 3 and Tuesday 4 August, changes will be made to services on the Portsmouth line between 12:00 and 19:00. These changes will help provide a more reliable and resilient service during the period of hot weather.

The following changes will occur:

Some services from Portsmouth Harbour towards London Waterloo will be diverted via Cobham after they reach Guildford.

How do I get to my destination?

You can still travel as planned, but please allow extra time for your journey as your train may be diverted via Cobham.

Further minor timetable amendments may be necessary, so please check journey planners before you travel.

If you need any help with your journey, please speak to a member of staff or use a station help point.

Further information:

If you would prefer to use local buses to continue your journey please check Traveline. South Western Railway tickets are not valid on local buses unless stated above.

Check before you travel:

The National Rail Enquiries real-time Journey Planner does not reflect these changes. Please check back later.

Compensation:

You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.

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