PLA Tideway Flag Status

Note, These flag warnings indicate the river status on the Tideway below Teddington Lock, not on the Kingston reach.

PLA Tideway Fluvial Flow Warnings

  • the Port of London Authority (PLA) is responsible for safety and related river matters on 95 miles (150km) of the tidal Thames from Teddington in west London all the way to the sea
  • there will be three main levels of advice, which are:
    • RED FLAG                
    • YELLOW FLAG        
    • GREEN FLAG          

With each flag warning, the following advice will be issued, which all recreational craft users should consider carefully before venturing onto the tidal Thames:

flag warnings 1

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