Port of London Authority

Navigational warnings

Details of any warning published here.

Information about the PLA's Hydrography team and their work

Published Surveys, Periodic Surveys, Hydrographic Survey Notes.

Charts from Teddington to Southend.

Chart Correction information published by the PLA Hydrographic Service.

Miniplots published by the PLA Hydrographic Service.

Live Tides; Tide Tables, Tidal Time Differences, Tidal Definitions.

Links to external websites with weather information.

Critical Depths information published by the PLA Hydrographic Service.

Headway (clearance) of centre spans.

Depths on Tiers information published by the PLA Hydrographic Service.