Revised schedule to be published in due course
The clerk of the TT course has announced a one-hour delay to today's racing schedule to allow more time for roads to dry.
It following rain on the Island overnight.
Organisers say a revised schedule will be issued in due course.
The second Superstock, Supertwin and Sidecar races are all due to take place today, with roads able to remain closed as late as 9.30pm.

More coastal overtopping expected as strong winds continue
Full lighting capability restored at Isle of Man Airport
Snaefell Mountain Railway out of action after storm damage
Council confident for Manor Pub's future