National Tidal and Sea Level Facility
Sea level networks
Information on UK and ACCLAIM networks. Online status report regarding UK tide gauges, run by the Tide Gauge Inspectorate. Real/near-real time tidal elevations.
Data availability
NTSLF data, and those of our partners, are freely available through BODC and other agencies.
Tidal Predictions
Tidal predictions for twenty-eight days ahead are available for all of the UK National Tide Gauge Network locations, including predictions for WAP-enabled mobile devices. Predictions are also available for other locations around the world.
Products
Derived data products from the tide gauge measurements, such as UK sea level trends, mean sea level time series, and British Isles sea level index.
Numerical modelling
Hindcasts from POL developed numerical models (which produce storm surge forecasts) run in operational mode by the UK Met Office. Storm surge forecasts are now available on the web site.
Software
Available software for tidal predictions, for tidal analysis and extreme levels. Some of the software products are freely available.
Sharing knowledge
Frequently asked questions on sea level. Information on the Lunitidal interval and tide clocks.
Reports
NTSLF data reports and technical documents.