Peel Ports have published official 2023 tide tables for Sheerness and Chatham online. You can access them via the links on our Tides, Weather & Cams page
The same page also has real-time tides and wind for Tripod, Garrison Point, Chatham and Strood. The page serves as a portal to the many webcams and weather stations hosted at clubs along the Medway.
The excellent Peel Ports tide table booklet for 2023 should now be available from all good local chandlers, marinas and clubs. You will also get a copy with your conservancy licence when you renew. It contains much useful information about safely navigating the tidal Medway and Swale.
Don’t forget to add an hour for British Summer Time when appropriate.