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From Anchoring to Water Safety: PLA services and navigation guidance as easy as A, B, C.
We're all responsible for safety on the river. Tell us when you experience a near miss while afloat.
Select your gauge
Published surveys issued by the Port of London Authority Hydrographic Services department.
Download our free app for live tides, safety alerts, upcoming river events, ship movements and more.
Rules, guidelines and best practice for navigation on the tidal River Thames.

Notices and Bulletins


Essential, up to date information and advice to those supporting navigation and commercial shipping in the Port of London.

The latest notifications for agents, berth and ship operators.

Special announcements about safety practices on the river.

The latest information and updates about warnings that could impact navigation.

The latest SMS Reports containing reviews, incident statistics and trends.

Sign up to receive our Notices to Mariners and other lists by email.

Our Services


Frequently accessed services. Check our Port Information Guide for more.
Permits allow metal detecting, beachcombing and digging to 7.5cm.
All commercial filming and photography on the tidal Thames requires a licence.
All development works and dredging in the tidal River Thames require a licence.
We are responsible for the licensing of inland waterways vessels operating commercially on the tidal Thames.
A Pilotage Exemption Certificate may be granted to a Master who fulfils criteria showing they can safely manage their vessel.
Masters of commercial vessels operating on the Thames in London need a Local Knowledge Endorsement.
Our team of skilled Pilots board and guide more than 10,000 ships through the Port of London every year.
A century of tradition, the latest technology. Knowledge and solutions for your business.
Forthcoming and completed vessel arrivals and departures in the Port of London.

Join us for these upcoming webinars.
Catch up now
The fourth annual Thames & London Waterways Forum, was hosted by Heidi Alexander, deputy mayor for transport.
Catch up now
We consulted with the tidal Thames community as we work to update our strategy for development in the Port of London.
Annual calendar
Our non-exhaustive listing of forecasted events held on the tidal Thames between the estuary and Teddington.

Connect With Us


We're active on Twitter, Facebook, LinkedIn, Instagram and YouTube.
Our dedicated leisure website helps Thames recreational community members make the most of the river.
Our site encouraging more litter removal across the foreshore of the Thames Estuary. Find out how you or your organisation can get involved.
Our programme supporting inland fleet operators that respond to a range of environmental challenges across energy, air and water quality.
The PLA was created by Parliament to bring order to the chaos and congestion that prevailed on the Thames.
We have an active presence on the river 365 days a year to ensure safe navigation for freight, passengers and recreation.
The PLA's extensive archive is held and managed by the Museum of London Docklands in West India Quay near Canary Wharf.
The UK's first inland waterway continuing professional development programme.
Ebb Tide Flag Warning
Average Fluvial Flows